Fixes crash while encoding too large arrays.

test/libsolidity/syntaxTests/array/length/parameter_too_large.sol

@@ -0,0 +1,5 @@
+contract C {
+  function f(bytes32[1263941234127518272] memory) public pure {}
+}
+// ----
+// TypeError: (26-61): Array is too large to be encoded.

test/libsolidity/syntaxTests/array/length/parameter_too_large_multidim.sol

@@ -0,0 +1,11 @@
+contract C {
+  function f(bytes32[1263941234127518272][500] memory) public pure {}
+  function f(uint[2**30][] memory) public pure {}
+  function f(uint[2**30][2**30][] memory) public pure {}
+  function f(uint[2**16][2**16][] memory) public pure {}
+}
+// ----
+// TypeError: (26-66): Array is too large to be encoded.
+// TypeError: (96-116): Array is too large to be encoded.
+// TypeError: (146-173): Array is too large to be encoded.
+// TypeError: (203-230): Array is too large to be encoded.

test/libsolidity/syntaxTests/array/length/parameter_too_large_multidim_ABIv2.sol

@@ -0,0 +1,10 @@
+pragma experimental ABIEncoderV2;
+
+contract C {
+  function f(bytes32[1263941234127518272][500] memory) public pure {}
+  function f(uint[2**30][2**30][][] memory) public pure {}
+}
+// ----
+// Warning: (0-33): Experimental features are turned on. Do not use experimental features on live deployments.
+// TypeError: (61-101): Array is too large to be encoded.
+// TypeError: (131-160): Array is too large to be encoded.