Don't crash on bogus source value
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10132 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AsmParser/llvmAsmParser.y b/lib/AsmParser/llvmAsmParser.y
index e930bc5..8e44501 100644
--- a/lib/AsmParser/llvmAsmParser.y
+++ b/lib/AsmParser/llvmAsmParser.y
@@ -1171,6 +1171,9 @@
ConstExpr: CAST '(' ConstVal TO Types ')' {
+ if (!$3->getType()->isFirstClassType())
+ ThrowException("cast constant expression from a non-primitive type: '" +
+ $3->getType()->getDescription() + "'!");
if (!$5->get()->isFirstClassType())
ThrowException("cast constant expression to a non-primitive type: '" +
$5->get()->getDescription() + "'!");