Merge remote-tracking branch 'origin/develop' into HEAD

test/libsolidity/semanticTests/abiencodedecode/contract_array.sol

@@ -0,0 +1,17 @@
+contract C {
+  function f(bytes calldata x) public returns (C[] memory) {
+    return abi.decode(x, (C[]));
+  }
+  function g() public returns (bytes memory) {
+    C[] memory c = new C[](3);
+    c[0] = C(address(0x42));
+    c[1] = C(address(0x21));
+    c[2] = C(address(0x23));
+    return abi.encode(c);
+  }
+}
+// ====
+// compileViaYul: also
+// ----
+// f(bytes): 0x20, 0xA0, 0x20, 3, 0x01, 0x02, 0x03 -> 0x20, 3, 0x01, 0x02, 0x03
+// g() -> 0x20, 0xa0, 0x20, 3, 0x42, 0x21, 0x23

test/libsolidity/semanticTests/abiencodedecode/contract_array_v2.sol

@@ -0,0 +1,20 @@
+pragma experimental ABIEncoderV2;
+contract C {
+  function f(bytes calldata x) public returns (C[] memory) {
+    return abi.decode(x, (C[]));
+  }
+  function g() public returns (bytes memory) {
+    C[] memory c = new C[](3);
+    c[0] = C(address(0x42));
+    c[1] = C(address(0x21));
+    c[2] = C(address(0x23));
+    return abi.encode(c);
+  }
+}
+// ====
+// compileViaYul: also
+// ----
+// f(bytes): 0x20, 0xA0, 0x20, 3, 0x01, 0x02, 0x03 -> 0x20, 3, 0x01, 0x02, 0x03
+// f(bytes): 0x20, 0x60, 0x20, 1, 0x0102030405060708090a0b0c0d0e0f1011121314 -> 0x20, 1, 0x0102030405060708090a0b0c0d0e0f1011121314
+// f(bytes): 0x20, 0x60, 0x20, 1, 0x0102030405060708090a0b0c0d0e0f101112131415 -> FAILURE
+// g() -> 0x20, 0xa0, 0x20, 3, 0x42, 0x21, 0x23

test/libsolidity/semanticTests/array/byte_array_storage_layout.sol

@@ -32,6 +32,7 @@ contract c {
             data.push(bytes1(i));
         }
         data.pop();
+        data.pop();
         assembly {
             r := sload(data.slot)
         }
@@ -42,4 +43,4 @@ contract c {
 // ----
 // test_short() -> 1780731860627700044960722568376587075150542249149356309979516913770823710
 // test_long() -> 67
-// test_pop() -> 1780731860627700044960722568376592200742329637303199754547598369979440702
+// test_pop() -> 1780731860627700044960722568376592200742329637303199754547598369979433020

test/libsolidity/semanticTests/array/delete_bytes_array.sol

@@ -0,0 +1,37 @@
+contract C {
+    bytes data;
+
+    function f() public returns (uint ret) {
+        data.push("a");
+        data.push("b");
+        delete data;
+        assembly {
+            ret := sload(data.slot)
+        }
+    }
+
+    function g() public returns (uint ret) {
+        assembly {
+            sstore(data.slot, 67)
+        }
+        data.push("a");
+        data.push("b");
+        assert(data.length == 35);
+        delete data;
+        assert(data.length == 0);
+
+        uint size = 999;
+        assembly {
+            size := sload(data.slot)
+            mstore(0, data.slot)
+            ret := sload(keccak256(0, 32))
+        }
+        assert(size == 0);
+    }
+}
+
+// ====
+// compileViaYul: also
+// ----
+// f() -> 0
+// g() -> 0

test/libsolidity/semanticTests/viaYul/stackLimitEvasion/inlined.sol

@@ -1,53 +0,0 @@
-contract C {
-    uint256[1024] s;
-    function f() public returns (uint256 x) {
-        x = 42;
-        uint256 x0 = s[0];
-        uint256 x1 = s[1];
-        uint256 x2 = s[2];
-        uint256 x3 = s[3];
-        uint256 x4 = s[4];
-        uint256 x5 = s[5];
-        uint256 x6 = s[6];
-        uint256 x7 = s[7];
-        uint256 x8 = s[8];
-        uint256 x9 = s[9];
-        uint256 x10 = s[10];
-        uint256 x11 = s[11];
-        uint256 x12 = s[12];
-        uint256 x13 = s[13];
-        uint256 x14 = s[14];
-        uint256 x15 = s[15];
-        uint256 x16 = s[16];
-        uint256 x17 = s[17];
-        uint256 x18 = s[18];
-        s[1000] = x0 + 2;
-        s[118] = x18;
-        s[117] = x17;
-        s[116] = x16;
-        s[115] = x15;
-        s[114] = x14;
-        s[113] = x13;
-        s[112] = x12;
-        s[111] = x11;
-        s[110] = x10;
-        s[109] = x9;
-        s[108] = x8;
-        s[107] = x7;
-        s[106] = x6;
-        s[105] = x5;
-        s[104] = x4;
-        s[103] = x3;
-        s[102] = x2;
-        s[101] = x1;
-        s[100] = x0;
-    }
-    function test() public view returns(uint256) {
-        return s[1000];
-    }
-}
-// ====
-// compileViaYul: true
-// ----
-// f() -> 0x2a
-// test() -> 2

test/libsolidity/semanticTests/viaYul/stackLimitEvasion/non_inlined.sol

@@ -1,57 +0,0 @@
-contract C {
-    uint256[1024] s;
-    function g() public returns (uint256) {
-        // try to prevent inlining
-        return f() + f() + f() + f() + f();
-    }
-    function f() public returns (uint256 x) {
-        x = 42;
-        uint256 x0 = s[0];
-        uint256 x1 = s[1];
-        uint256 x2 = s[2];
-        uint256 x3 = s[3];
-        uint256 x4 = s[4];
-        uint256 x5 = s[5];
-        uint256 x6 = s[6];
-        uint256 x7 = s[7];
-        uint256 x8 = s[8];
-        uint256 x9 = s[9];
-        uint256 x10 = s[10];
-        uint256 x11 = s[11];
-        uint256 x12 = s[12];
-        uint256 x13 = s[13];
-        uint256 x14 = s[14];
-        uint256 x15 = s[15];
-        uint256 x16 = s[16];
-        uint256 x17 = s[17];
-        uint256 x18 = s[18];
-        s[1000] = x0 + 2;
-        s[118] = x18;
-        s[117] = x17;
-        s[116] = x16;
-        s[115] = x15;
-        s[114] = x14;
-        s[113] = x13;
-        s[112] = x12;
-        s[111] = x11;
-        s[110] = x10;
-        s[109] = x9;
-        s[108] = x8;
-        s[107] = x7;
-        s[106] = x6;
-        s[105] = x5;
-        s[104] = x4;
-        s[103] = x3;
-        s[102] = x2;
-        s[101] = x1;
-        s[100] = x0;
-    }
-    function test() public view returns(uint256) {
-        return s[1000];
-    }
-}
-// ====
-// compileViaYul: true
-// ----
-// f() -> 0x2a
-// test() -> 2

test/libsolidity/smtCheckerTests/crypto/crypto_functions_compare_hashes.sol

@@ -0,0 +1,16 @@
+pragma experimental SMTChecker;
+
+contract C {
+	function f(bytes memory data) public pure {
+		bytes32 k = keccak256(data);
+		bytes32 s = sha256(data);
+		bytes32 r = ripemd160(data);
+		assert(k == s);
+		assert(s == r);
+		assert(r == k);
+	}
+}
+// ----
+// Warning 6328: (183-197): CHC: Assertion violation happens here.
+// Warning 6328: (201-215): CHC: Assertion violation happens here.
+// Warning 6328: (219-233): CHC: Assertion violation happens here.

test/libsolidity/smtCheckerTests/crypto/crypto_functions_fail.sol

@@ -0,0 +1,32 @@
+pragma experimental SMTChecker;
+
+contract C {
+	function k(bytes memory b0, bytes memory b1) public pure {
+		bytes32 k0 = keccak256(b0);
+		bytes32 k1 = keccak256(b1);
+		assert(k0 == k1);
+	}
+	function s(bytes memory b0, bytes memory b1) public pure {
+		bytes32 s0 = sha256(b0);
+		bytes32 s1 = sha256(b1);
+		assert(s0 == s1);
+	}
+	function r(bytes memory b0, bytes memory b1) public pure {
+		bytes32 r0 = ripemd160(b0);
+		bytes32 r1 = ripemd160(b1);
+		assert(r0 == r1);
+	}
+	function e(bytes32 h0, uint8 v0, bytes32 r0, bytes32 s0, bytes32 h1, uint8 v1, bytes32 r1, bytes32 s1) public pure {
+		address a0 = ecrecover(h0, v0, r0, s0);
+		address a1 = ecrecover(h1, v1, r1, s1);
+		assert(a0 == a1);
+	}
+}
+// ----
+// Warning 1218: (168-184): CHC: Error trying to invoke SMT solver.
+// Warning 1218: (305-321): CHC: Error trying to invoke SMT solver.
+// Warning 1218: (448-464): CHC: Error trying to invoke SMT solver.
+// Warning 6328: (673-689): CHC: Assertion violation happens here.
+// Warning 4661: (168-184): BMC: Assertion violation happens here.
+// Warning 4661: (305-321): BMC: Assertion violation happens here.
+// Warning 4661: (448-464): BMC: Assertion violation happens here.

test/libsolidity/smtCheckerTests/crypto/crypto_functions_not_same.sol

@@ -0,0 +1,14 @@
+pragma experimental SMTChecker;
+
+contract C {
+	function f(bytes memory data) public pure {
+		bytes32 k = keccak256(data);
+		fi(data, k);
+	}
+	function fi(bytes memory data, bytes32 k) internal pure {
+		bytes32 h = sha256(data);
+		assert(h == k);
+	}
+}
+// ----
+// Warning 6328: (229-243): CHC: Assertion violation happens here.

test/libsolidity/smtCheckerTests/crypto/crypto_functions_over_blocks.sol

@@ -0,0 +1,12 @@
+pragma experimental SMTChecker;
+
+contract C {
+	function f(bytes memory data) public pure {
+		bytes32 k = keccak256(data);
+		fi(data, k);
+	}
+	function fi(bytes memory data, bytes32 k) internal pure {
+		bytes32 h = keccak256(data);
+		assert(h == k);
+	}
+}

test/libsolidity/smtCheckerTests/crypto/crypto_functions_same_input_over_state_same_output.sol

@@ -0,0 +1,38 @@
+pragma experimental SMTChecker;
+
+contract C {
+	bytes data;
+	bytes32 h;
+	uint8 v;
+	bytes32 r;
+	bytes32 s;
+
+	bytes32 kec;
+	bytes32 sha;
+	bytes32 rip;
+	address erc;
+
+	constructor(bytes memory _data, bytes32 _h, uint8 _v, bytes32 _r, bytes32 _s) {
+		data = _data;
+		h = _h;
+		v = _v;
+		r = _r;
+		s = _s;
+
+		kec = keccak256(data);
+		sha = sha256(data);
+		rip = ripemd160(data);
+		erc = ecrecover(h, v, r, s);
+	}
+
+	function f() public view {
+		bytes32 _kec = keccak256(data);
+		bytes32 _sha = sha256(data);
+		bytes32 _rip = ripemd160(data);
+		address _erc = ecrecover(h, v, r, s);
+		assert(_kec == kec);
+		assert(_sha == sha);
+		assert(_rip == rip);
+		assert(_erc == erc);
+	}
+}

test/libsolidity/smtCheckerTests/crypto/crypto_functions_same_input_over_state_same_output_fail.sol

@@ -0,0 +1,54 @@
+pragma experimental SMTChecker;
+
+contract C {
+	bytes data;
+	bytes32 h;
+	uint8 v;
+	bytes32 r;
+	bytes32 s;
+
+	bytes32 kec;
+	bytes32 sha;
+	bytes32 rip;
+	address erc;
+
+	constructor(bytes memory _data, bytes32 _h, uint8 _v, bytes32 _r, bytes32 _s) {
+		data = _data;
+		h = _h;
+		v = _v;
+		r = _r;
+		s = _s;
+
+		kec = keccak256(data);
+		sha = sha256(data);
+		rip = ripemd160(data);
+		erc = ecrecover(h, v, r, s);
+	}
+
+	function set(bytes memory _data, bytes32 _h, uint8 _v, bytes32 _r, bytes32 _s) public {
+		data = _data;
+		h = _h;
+		v = _v;
+		r = _r;
+		s = _s;
+	}
+
+	function f() public view {
+		bytes32 _kec = keccak256(data);
+		bytes32 _sha = sha256(data);
+		bytes32 _rip = ripemd160(data);
+		address _erc = ecrecover(h, v, r, s);
+		assert(_kec == kec);
+		assert(_sha == sha);
+		assert(_rip == rip);
+		assert(_erc == erc);
+	}
+}
+// ----
+// Warning 1218: (726-745): CHC: Error trying to invoke SMT solver.
+// Warning 1218: (749-768): CHC: Error trying to invoke SMT solver.
+// Warning 1218: (772-791): CHC: Error trying to invoke SMT solver.
+// Warning 6328: (795-814): CHC: Assertion violation happens here.
+// Warning 4661: (726-745): BMC: Assertion violation happens here.
+// Warning 4661: (749-768): BMC: Assertion violation happens here.
+// Warning 4661: (772-791): BMC: Assertion violation happens here.

test/libsolidity/smtCheckerTests/crypto/crypto_functions_same_input_same_output.sol

@@ -0,0 +1,28 @@
+pragma experimental SMTChecker;
+
+contract C {
+	function k(bytes memory b0) public pure {
+		bytes memory b1 = b0;
+		bytes32 k0 = keccak256(b0);
+		bytes32 k1 = keccak256(b1);
+		assert(k0 == k1);
+	}
+	function s(bytes memory b0) public pure {
+		bytes memory b1 = b0;
+		bytes32 s0 = sha256(b0);
+		bytes32 s1 = sha256(b1);
+		assert(s0 == s1);
+	}
+	function r(bytes memory b0) public pure {
+		bytes memory b1 = b0;
+		bytes32 r0 = ripemd160(b0);
+		bytes32 r1 = ripemd160(b1);
+		assert(r0 == r1);
+	}
+	function e(bytes32 h0, uint8 v0, bytes32 r0, bytes32 s0) public pure {
+		(bytes32 h1, uint8 v1, bytes32 r1, bytes32 s1) = (h0, v0, r0, s0);
+		address a0 = ecrecover(h0, v0, r0, s0);
+		address a1 = ecrecover(h1, v1, r1, s1);
+		assert(a0 == a1);
+	}
+}

test/libsolidity/smtCheckerTests/invariants/loop_nested.sol

@@ -12,7 +12,8 @@ contract Simple {
 				++x;
 			assert(x == 10);
 		}
-		assert(y == x);
+		// Removed because of Spacer nondeterminism.
+		//assert(y == x);
 	}
 }
 // ----

test/libsolidity/smtCheckerTests/loops/for_1_false_positive.sol

@@ -15,4 +15,3 @@ contract C
 }
 // ----
 // Warning 2661: (176-181): BMC: Overflow (resulting value larger than 2**256 - 1) happens here.
-// Warning 4661: (296-309): BMC: Assertion violation happens here.

test/libsolidity/smtCheckerTests/math/addmod_1.sol

@@ -12,10 +12,5 @@ contract C {
 	}
 }
 // ----
-// Warning 1218: (83-108): CHC: Error trying to invoke SMT solver.
-// Warning 1218: (141-166): CHC: Error trying to invoke SMT solver.
-// Warning 1218: (76-114): CHC: Error trying to invoke SMT solver.
-// Warning 1218: (170-184): CHC: Error trying to invoke SMT solver.
-// Warning 1218: (263-278): CHC: Error trying to invoke SMT solver.
 // Warning 3046: (141-166): BMC: Division by zero happens here.
 // Warning 3046: (263-278): BMC: Division by zero happens here.

test/libsolidity/smtCheckerTests/math/addmod_mulmod.sol

@@ -9,8 +9,5 @@ contract C {
 	}
 }
 // ----
-// Warning 1218: (118-143): CHC: Error trying to invoke SMT solver.
-// Warning 1218: (183-208): CHC: Error trying to invoke SMT solver.
-// Warning 1218: (219-233): CHC: Error trying to invoke SMT solver.
 // Warning 6838: (93-143): BMC: Condition is always false.
 // Warning 6838: (158-208): BMC: Condition is always false.

test/libsolidity/smtCheckerTests/math/addmod_mulmod_zero.sol

@@ -22,15 +22,5 @@ contract C {
 }
 // ----
 // Warning 6321: (253-260): Unnamed return variable can remain unassigned. Add an explicit return with value to all non-reverting code paths or name the variable.
-// Warning 1218: (94-109): CHC: Error trying to invoke SMT solver.
-// Warning 1218: (113-126): CHC: Error trying to invoke SMT solver.
-// Warning 1218: (180-195): CHC: Error trying to invoke SMT solver.
-// Warning 1218: (199-212): CHC: Error trying to invoke SMT solver.
-// Warning 1218: (275-290): CHC: Error trying to invoke SMT solver.
-// Warning 1218: (303-318): CHC: Error trying to invoke SMT solver.
-// Warning 1218: (349-364): CHC: Error trying to invoke SMT solver.
-// Warning 1218: (377-392): CHC: Error trying to invoke SMT solver.
-// Warning 1218: (322-336): CHC: Error trying to invoke SMT solver.
-// Warning 1218: (396-410): CHC: Error trying to invoke SMT solver.
 // Warning 3046: (94-109): BMC: Division by zero happens here.
 // Warning 3046: (180-195): BMC: Division by zero happens here.

test/libsolidity/smtCheckerTests/math/addmulmod.sol

@@ -17,8 +17,3 @@ contract C {
 	}
 }
 // ----
-// Warning 1218: (158-174): CHC: Error trying to invoke SMT solver.
-// Warning 1218: (178-192): CHC: Error trying to invoke SMT solver.
-// Warning 1218: (309-325): CHC: Error trying to invoke SMT solver.
-// Warning 1218: (329-343): CHC: Error trying to invoke SMT solver.
-// Warning 7812: (329-343): BMC: Assertion violation might happen here.

test/libsolidity/smtCheckerTests/math/mulmod_1.sol

@@ -12,10 +12,5 @@ contract C {
 	}
 }
 // ----
-// Warning 1218: (83-108): CHC: Error trying to invoke SMT solver.
-// Warning 1218: (141-166): CHC: Error trying to invoke SMT solver.
-// Warning 1218: (76-114): CHC: Error trying to invoke SMT solver.
-// Warning 1218: (170-184): CHC: Error trying to invoke SMT solver.
-// Warning 1218: (263-278): CHC: Error trying to invoke SMT solver.
 // Warning 3046: (141-166): BMC: Division by zero happens here.
 // Warning 3046: (263-278): BMC: Division by zero happens here.

test/libsolidity/smtCheckerTests/operators/compound_assignment_division_1.sol

@@ -9,6 +9,4 @@ contract C {
 	}
 }
 // ----
-// Warning 1218: (129-143): CHC: Error trying to invoke SMT solver.
-// Warning 1218: (147-161): CHC: Error trying to invoke SMT solver.
-// Warning 4661: (147-161): BMC: Assertion violation happens here.
+// Warning 6328: (147-161): CHC: Assertion violation happens here.

test/libsolidity/smtCheckerTests/operators/compound_assignment_division_2.sol

@@ -10,6 +10,4 @@ contract C {
 	}
 }
 // ----
-// Warning 1218: (163-184): CHC: Error trying to invoke SMT solver.
-// Warning 1218: (188-209): CHC: Error trying to invoke SMT solver.
-// Warning 4661: (188-209): BMC: Assertion violation happens here.
+// Warning 6328: (188-209): CHC: Assertion violation happens here.

test/libsolidity/smtCheckerTests/operators/compound_assignment_division_3.sol

@@ -10,6 +10,4 @@ contract C {
 	}
 }
 // ----
-// Warning 1218: (171-190): CHC: Error trying to invoke SMT solver.
-// Warning 1218: (194-213): CHC: Error trying to invoke SMT solver.
-// Warning 4661: (194-213): BMC: Assertion violation happens here.
+// Warning 6328: (194-213): CHC: Assertion violation happens here.

test/libsolidity/smtCheckerTests/operators/division_3.sol

@@ -6,5 +6,4 @@ contract C {
 	}
 }
 // ----
-// Warning 1218: (127-132): CHC: Error trying to invoke SMT solver.
-// Warning 2661: (127-132): BMC: Overflow (resulting value larger than 0x80 * 2**248 - 1) happens here.
+// Warning 4984: (127-132): CHC: Overflow (resulting value larger than 0x80 * 2**248 - 1) happens here.

test/libsolidity/smtCheckerTests/operators/division_4.sol

@@ -7,4 +7,3 @@ contract C {
 	}
 }
 // ----
-// Warning 1218: (147-152): CHC: Error trying to invoke SMT solver.

test/libsolidity/smtCheckerTests/operators/division_5.sol

@@ -10,4 +10,3 @@ contract C {
 	}
 }
 // ----
-// Warning 1218: (151-156): CHC: Error trying to invoke SMT solver.

test/libsolidity/smtCheckerTests/operators/division_6.sol

@@ -12,4 +12,3 @@ contract C {
 	}
 }
 // ----
-// Warning 1218: (265-270): CHC: Error trying to invoke SMT solver.

test/libsolidity/smtCheckerTests/operators/division_truncates_correctly_1.sol

@@ -7,4 +7,3 @@ contract C {
 	}
 }
 // ----
-// Warning 1218: (107-125): CHC: Error trying to invoke SMT solver.

test/libsolidity/smtCheckerTests/operators/division_truncates_correctly_2.sol

@@ -7,5 +7,3 @@ contract C {
 	}
 }
 // ----
-// Warning 1218: (112-117): CHC: Error trying to invoke SMT solver.
-// Warning 1218: (105-123): CHC: Error trying to invoke SMT solver.

test/libsolidity/smtCheckerTests/operators/division_truncates_correctly_3.sol

@@ -7,5 +7,3 @@ contract C {
 	}
 }
 // ----
-// Warning 1218: (113-118): CHC: Error trying to invoke SMT solver.
-// Warning 1218: (106-125): CHC: Error trying to invoke SMT solver.

test/libsolidity/smtCheckerTests/operators/division_truncates_correctly_4.sol

@@ -7,5 +7,3 @@ contract C {
 	}
 }
 // ----
-// Warning 1218: (113-118): CHC: Error trying to invoke SMT solver.
-// Warning 1218: (106-125): CHC: Error trying to invoke SMT solver.

test/libsolidity/smtCheckerTests/operators/division_truncates_correctly_5.sol

@@ -7,5 +7,3 @@ contract C {
 	}
 }
 // ----
-// Warning 1218: (114-119): CHC: Error trying to invoke SMT solver.
-// Warning 1218: (107-125): CHC: Error trying to invoke SMT solver.

test/libsolidity/smtCheckerTests/operators/mod.sol

@@ -9,4 +9,3 @@ contract C {
 	}
 }
 // ----
-// Warning 1218: (166-182): CHC: Error trying to invoke SMT solver.

test/libsolidity/smtCheckerTests/operators/mod_even.sol

@@ -9,5 +9,3 @@ contract C
 	}
 }
 // ----
-// Warning 1218: (113-118): CHC: Error trying to invoke SMT solver.
-// Warning 1218: (122-142): CHC: Error trying to invoke SMT solver.

test/libsolidity/smtCheckerTests/operators/mod_n.sol

@@ -9,4 +9,3 @@ contract C
 	}
 }
 // ----
-// Warning 1218: (126-139): CHC: Error trying to invoke SMT solver.

test/libsolidity/smtCheckerTests/operators/mod_n_uint16.sol

@@ -9,4 +9,3 @@ contract C
 	}
 }
 // ----
-// Warning 1218: (130-149): CHC: Error trying to invoke SMT solver.

test/libsolidity/smtCheckerTests/operators/mod_signed.sol

@@ -0,0 +1,12 @@
+pragma experimental SMTChecker;
+contract C {
+	function f(int x, int y) public pure {
+		require(y != 0);
+		require(x == 42);
+		int z1 = x % y;
+		int z2 = -x % y;
+		assert(z1 == -z2);
+		assert((x >= 0 && z1 >=0) || (x <= 0 && z1 <= 0));
+	}
+}
+// ----

test/libsolidity/smtCheckerTests/overflow/signed_div_overflow.sol

@@ -6,6 +6,5 @@ contract C  {
 	}
 }
 // ----
-// Warning 1218: (110-115): CHC: Error trying to invoke SMT solver.
+// Warning 4984: (110-115): CHC: Overflow (resulting value larger than 0x80 * 2**248 - 1) happens here.
 // Warning 3046: (110-115): BMC: Division by zero happens here.
-// Warning 2661: (110-115): BMC: Overflow (resulting value larger than 0x80 * 2**248 - 1) happens here.

test/libsolidity/smtCheckerTests/types/array_aliasing_memory_2.sol

@@ -10,10 +10,11 @@ contract C
 		b[0] = 1;
 		// Erasing knowledge about memory references should not
 		// erase knowledge about state variables.
-		assert(array[0] == 42);
+		// Removed because current Spacer seg faults.
+		//assert(array[0] == 42);
 		assert(a[0] == 2);
 		assert(b[0] == 1);
 	}
 }
 // ----
-// Warning 6328: (321-338): CHC: Assertion violation happens here.
+// Warning 6328: (371-388): CHC: Assertion violation happens here.

test/libsolidity/syntaxTests/array/contract_index_access.sol

@@ -0,0 +1,8 @@
+contract C {
+    function f() view public {
+        C[0];
+    }
+}
+// ----
+// Warning 6133: (52-56): Statement has no effect.
+// Warning 2018: (17-63): Function state mutability can be restricted to pure

test/libsolidity/syntaxTests/array/invalid/contract_index_access.sol

@@ -1,7 +0,0 @@
-contract C {
-    function f() view public {
-        C[0];
-    }
-}
-// ----
-// TypeError 2876: (52-56): Index access for contracts or libraries is not possible.

test/libsolidity/syntaxTests/array/invalid/library_array.sol

@@ -0,0 +1,8 @@
+library L {}
+contract C {
+	function f() public {
+		L[] memory x;
+	}
+}
+// ----
+// TypeError 1130: (51-52): Invalid use of a library name.

test/libsolidity/syntaxTests/array/invalid/library_index_access.sol

@@ -4,4 +4,4 @@ library C {
     }
 }
 // ----
-// TypeError 2876: (51-55): Index access for contracts or libraries is not possible.
+// TypeError 2876: (51-55): Index access for library types and arrays of libraries are not possible.

test/libsolidity/syntaxTests/array/library_array.sol

@@ -0,0 +1,8 @@
+library L {}
+contract C {
+  function f() public pure {
+    new L[](2);
+  }
+}
+// ----
+// TypeError 1130: (63-64): Invalid use of a library name.

test/libsolidity/syntaxTests/bound/using_for_library.sol

@@ -0,0 +1,11 @@
+library L {}
+library M {}
+contract C {
+    using L for M;
+    using M for L;
+    using L for L;
+}
+// ----
+// TypeError 1130: (55-56): Invalid use of a library name.
+// TypeError 1130: (74-75): Invalid use of a library name.
+// TypeError 1130: (93-94): Invalid use of a library name.

test/libsolidity/syntaxTests/functionCalls/new_library.sol

@@ -0,0 +1,8 @@
+library L {}
+contract C {
+  function f() public pure {
+    new L();
+  }
+}
+// ----
+// TypeError 1130: (63-64): Invalid use of a library name.

test/libsolidity/syntaxTests/indexing/index_range_access_assert.sol

@@ -3,4 +3,3 @@ contract s{}
 function f() {s[:][];}
 // ----
 // TypeError 1760: (53-57): Types cannot be sliced.
-// TypeError 2876: (53-59): Index access for contracts or libraries is not possible.

test/libsolidity/syntaxTests/inheritance/override/override_library.sol

@@ -0,0 +1,6 @@
+library L {}
+contract C {
+	function f() public override (L) {}
+}
+// ----
+// TypeError 1130: (57-58): Invalid use of a library name.

test/libsolidity/syntaxTests/nameAndTypeResolution/301_library_instances_cannot_be_used.sol

@@ -6,5 +6,4 @@ contract test {
     }
 }
 // ----
-// TypeError 1273: (87-90): The type of a variable cannot be a library.
-// TypeError 9582: (100-103): Member "l" not found or not visible after argument-dependent lookup in library L.
+// TypeError 1130: (87-88): Invalid use of a library name.

test/libsolidity/syntaxTests/nameAndTypeResolution/524_accept_library_creation.sol

@@ -1,6 +0,0 @@
-library L {}
-contract C {
-    function f() public {
-        new L();
-    }
-}

test/libsolidity/syntaxTests/nameAndTypeResolution/typeChecking/library_instances.sol

@@ -9,6 +9,6 @@ contract Y {
 	}
 }
 // ----
-// TypeError 1273: (29-34): The type of a variable cannot be a library.
-// TypeError 1273: (50-57): The type of a variable cannot be a library.
-// TypeError 1273: (77-82): The type of a variable cannot be a library.
+// TypeError 1130: (29-30): Invalid use of a library name.
+// TypeError 1130: (50-51): Invalid use of a library name.
+// TypeError 1130: (77-78): Invalid use of a library name.

test/libsolidity/syntaxTests/specialFunctions/abidecode/contract_array.sol

@@ -0,0 +1,5 @@
+contract C {
+	function f(bytes calldata x) public pure returns (C[] memory c) {
+		c = abi.decode(x, (C[]));
+	}
+}

test/libsolidity/syntaxTests/types/mapping/library_mapping.sol

@@ -1,4 +1,9 @@
 library L {}
-contract C { mapping(L => bool) i; }
+contract C
+{
+  mapping(bool => L) j;
+  mapping(L => bool) i;
+}
 // ----
-// TypeError 1665: (34-35): Library types cannot be used as mapping keys.
+// TypeError 1130: (44-45): Invalid use of a library name.
+// TypeError 1130: (60-61): Invalid use of a library name.