[asm.js] Fix typing bug for non-literals in heap access.

src/typing-asm.cc

Index: src/typing-asm.cc
diff --git a/src/typing-asm.cc b/src/typing-asm.cc
index 24e6d08daabcf6c4f62de7b480f8c7e7e56a2fe7..942b57b66b72eaefd6915f5a879a3df4ff7dee0c 100644
--- a/src/typing-asm.cc
+++ b/src/typing-asm.cc
@@ -781,7 +781,7 @@ void AsmTyper::VisitHeapAccess(Property* expr, bool assigning,
                                      "array index expected to be integer"));
         Literal* right = bin->right()->AsLiteral();
         if (right == NULL || right->raw_value()->ContainsDot()) {
-          FAIL(right, "heap access shift must be integer");
+          FAIL(bin->right(), "heap access shift must be integer");
         }
         RECURSE(VisitWithExpectation(bin->right(), cache_.kAsmSigned,
                                      "array shift expected to be integer"));