Merge pull request #11052 from blishko/issue-10986

[SMTChecker] Correct handling of FixedBytes constants initialized with string literal

test/libsolidity/smtCheckerTests/typecast/string_literal_to_fixed_bytes_constant_initialization_1.sol

@@ -0,0 +1,10 @@
+pragma experimental SMTChecker;
+
+contract MockContract {
+	bytes4 public constant SENTINEL_ANY_MOCKS = hex"01";
+	mapping(bytes4 => bytes4) methodIdMocks;
+
+	constructor() {
+		methodIdMocks[SENTINEL_ANY_MOCKS] = 0;
+	}
+}

test/libsolidity/smtCheckerTests/typecast/string_literal_to_fixed_bytes_constant_initialization_2.sol

@@ -0,0 +1,9 @@
+pragma experimental SMTChecker;
+
+contract MockContract {
+	bytes4 public constant SENTINEL_ANY_MOCKS = hex"01";
+
+	constructor() {
+		assert(SENTINEL_ANY_MOCKS >= 0);
+	}
+}