From e6386394677ed4f77b20e2e3d5446a3a2f628e53 Mon Sep 17 00:00:00 2001
From: Steve Naroff <snaroff@apple.com>
Date: Wed, 5 Dec 2007 04:00:10 +0000
Subject: [PATCH] Recognize CompoundLiteralExpr's as valid lvalue's.

Also updated a FIXME in Sema::CheckInitializer()...



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44602 91177308-0d34-0410-b5e6-96231b3b80d8
---
 AST/Expr.cpp                 |  2 ++
 Sema/SemaDecl.cpp            |  3 ++-
 test/Sema/compound-literal.c | 10 ++++++++++
 3 files changed, 14 insertions(+), 1 deletion(-)
 create mode 100644 test/Sema/compound-literal.c

diff --git a/AST/Expr.cpp b/AST/Expr.cpp
index 76b2d853f4..545ebd8e18 100644
--- a/AST/Expr.cpp
+++ b/AST/Expr.cpp
@@ -334,6 +334,8 @@ Expr::isLvalueResult Expr::isLvalue() const {
     break;
   case ParenExprClass: // C99 6.5.1p5
     return cast<ParenExpr>(this)->getSubExpr()->isLvalue();
+  case CompoundLiteralExprClass: // C99 6.5.2.5p5
+    return LV_Valid;
   case OCUVectorElementExprClass:
     if (cast<OCUVectorElementExpr>(this)->containsDuplicateElements())
       return LV_DuplicateVectorComponents;
diff --git a/Sema/SemaDecl.cpp b/Sema/SemaDecl.cpp
index e2b1fdf134..f1eb753523 100644
--- a/Sema/SemaDecl.cpp
+++ b/Sema/SemaDecl.cpp
@@ -553,7 +553,8 @@ bool Sema::CheckInitializer(Expr *&Init, QualType &DeclType, bool isStatic) {
                           hadError);
     return hadError;
   }
-  // FIXME: Handle struct/union types.
+  // FIXME: Handle struct/union types, including those appearing in a 
+  // CompoundLiteralExpr...
   return hadError;
 }
 
diff --git a/test/Sema/compound-literal.c b/test/Sema/compound-literal.c
new file mode 100644
index 0000000000..f57159ac6a
--- /dev/null
+++ b/test/Sema/compound-literal.c
@@ -0,0 +1,10 @@
+// RUN: clang -fsyntax-only -verify %s
+
+struct foo { int a, b; };
+
+extern void fooFunc(struct foo *pfoo);
+
+int main(int argc, char **argv) {
+ fooFunc(&(struct foo){ 1, 2 });
+}
+
-- 
2.40.0