PR3247: Handle a couple of cases where we weren't emitting VLA sizes (and
subsequently crashed).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69567 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGExprScalar.cpp b/lib/CodeGen/CGExprScalar.cpp
index 0c6e6c6..77771bd 100644
--- a/lib/CodeGen/CGExprScalar.cpp
+++ b/lib/CodeGen/CGExprScalar.cpp
@@ -213,7 +213,11 @@
return llvm::Constant::getNullValue(ConvertType(E->getType()));
}
Value *VisitImplicitCastExpr(const ImplicitCastExpr *E);
- Value *VisitCastExpr(const CastExpr *E) {
+ Value *VisitCastExpr(const CastExpr *E) {
+ // Make sure to evaluate VLA bounds now so that we have them for later.
+ if (E->getType()->isVariablyModifiedType())
+ CGF.EmitVLASize(E->getType());
+
return EmitCastExpr(E->getSubExpr(), E->getType());
}
Value *EmitCastExpr(const Expr *E, QualType T);