From 63f067f5a75ae97b53dc7a6a6530e2c72c8bb7f8 Mon Sep 17 00:00:00 2001
From: Seo Sanghyeon <sanxiyn@gmail.com>
Date: Fri, 4 Apr 2008 09:45:30 +0000
Subject: [PATCH] PR1963: Address of function is a constant expression

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49212 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/AST/Expr.cpp             | 2 ++
 test/Sema/address-constant.c | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/lib/AST/Expr.cpp b/lib/AST/Expr.cpp
index 11fcc419a5..5205702f29 100644
--- a/lib/AST/Expr.cpp
+++ b/lib/AST/Expr.cpp
@@ -453,6 +453,8 @@ bool Expr::hasGlobalStorage() const {
     const Decl *D = cast<DeclRefExpr>(this)->getDecl();
     if (const VarDecl *VD = dyn_cast<VarDecl>(D))
       return VD->hasGlobalStorage();
+    if (isa<FunctionDecl>(D))
+      return true;
     return false;
   }
   case MemberExprClass: {
diff --git a/test/Sema/address-constant.c b/test/Sema/address-constant.c
index 0b451cc39c..e1704b8b0e 100644
--- a/test/Sema/address-constant.c
+++ b/test/Sema/address-constant.c
@@ -5,3 +5,6 @@ int a[] = {0};
 struct { int i; } s;
 
 int *array[] = {&i, a, &s.i};
+
+extern void f(void);
+void (*f_addr)(void) = &f;