Fixed isConstantInitializer for __builtin_choose_expr.

llvm-svn: 114820

2 files changed, 6 insertions, 2 deletions

diff --git a/clang/lib/AST/Expr.cpp b/clang/lib/AST/Expr.cpp
index b31ec2314dc..dbfe2d52b88 100644
--- a/clang/lib/AST/Expr.cpp
+++ b/clang/lib/AST/Expr.cpp
@@ -1764,6 +1764,9 @@ bool Expr::isConstantInitializer(ASTContext &Ctx, bool IsForRef) const {
   case ParenExprClass:
     return cast<ParenExpr>(this)->getSubExpr()
       ->isConstantInitializer(Ctx, IsForRef);
+  case ChooseExprClass:
+    return cast<ChooseExpr>(this)->getChosenSubExpr(Ctx)
+      ->isConstantInitializer(Ctx, IsForRef);
   case UnaryOperatorClass: {
     const UnaryOperator* Exp = cast<UnaryOperator>(this);
     if (Exp->getOpcode() == UO_Extension)
diff --git a/clang/test/Sema/compound-literal.c b/clang/test/Sema/compound-literal.c
index aade4641ace..41307625999 100644
--- a/clang/test/Sema/compound-literal.c
+++ b/clang/test/Sema/compound-literal.c
@@ -3,9 +3,10 @@
 struct foo { int a, b; };
 
 static struct foo t = (struct foo){0,0};
-static struct foo t2 = {0,0}; 
+static struct foo t1 = __builtin_choose_expr(0, (struct foo){0,0}, (struct foo){0,0});
+static struct foo t2 = {0,0};
 static struct foo t3 = t2; // -expected-error {{initializer element is not a compile-time constant}}
-static int *p = (int []){2,4}; 
+static int *p = (int []){2,4};
 static int x = (int){1};
 
 static int *p2 = (int []){2,x}; // -expected-error {{initializer element is not a compile-time constant}}