vla expressions used in __typeof__ must be evaluated.
Fixes rdar://8476159.
llvm-svn: 114982
diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index e6e4420..544d984 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -1691,6 +1691,25 @@
return TagD;
}
+/// ActOnVlaStmt - This rouine if finds a vla expression in a decl spec.
+/// builds a statement for it and returns it so it is evaluated.
+StmtResult Sema::ActOnVlaStmt(const DeclSpec &DS) {
+ StmtResult R;
+ if (DS.getTypeSpecType() == DeclSpec::TST_typeofExpr) {
+ Expr *Exp = DS.getRepAsExpr();
+ QualType Ty = Exp->getType();
+ if (Ty->isPointerType()) {
+ do
+ Ty = Ty->getAs<PointerType>()->getPointeeType();
+ while (Ty->isPointerType());
+ }
+ if (Ty->isVariableArrayType()) {
+ R = ActOnExprStmt(MakeFullExpr(Exp));
+ }
+ }
+ return R;
+}
+
/// We are trying to inject an anonymous member into the given scope;
/// check if there's an existing declaration that can't be overloaded.
///