From b3f4b978bb6e12ec3033323fcac407bc622f4ee6 Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Tue, 12 Mar 2013 15:06:22 +0000
Subject: [PATCH] Remove a bogus assert so we don't crash in

namespace {
  struct X {};
}
extern "C" {
  X b = X();
}

llvm-svn: 176866
---
 clang/lib/AST/ASTContext.cpp       |  2 --
 clang/test/CodeGenCXX/extern-c.cpp | 22 +++++++++++++++++-----
 2 files changed, 17 insertions(+), 7 deletions(-)

diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index 0b0da40..b55a926 100644
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -7629,8 +7629,6 @@ GVALinkage ASTContext::GetGVALinkageForVariable(const VarDecl *VD) {
     TSK = VD->getTemplateSpecializationKind();
 
   Linkage L = VD->getLinkage();
-  assert (!(L == ExternalLinkage && getLangOpts().CPlusPlus &&
-            VD->getType()->getLinkage() == UniqueExternalLinkage));
 
   switch (L) {
   case NoLinkage:
diff --git a/clang/test/CodeGenCXX/extern-c.cpp b/clang/test/CodeGenCXX/extern-c.cpp
index ca5cd73..794171b 100644
--- a/clang/test/CodeGenCXX/extern-c.cpp
+++ b/clang/test/CodeGenCXX/extern-c.cpp
@@ -1,16 +1,28 @@
-// RUN: %clang_cc1 -emit-llvm %s -o %t
+// RUN: %clang_cc1 -emit-llvm %s -o - | FileCheck %s
 namespace foo {
 
-// RUN: not grep "@a = global i32" %t
+// CHECK-NOT: @a = global i32
 extern "C" int a;
 
-// RUN: not grep "@_ZN3foo1bE = global i32" %t
+// CHECK-NOT: @_ZN3foo1bE = global i32
 extern int b;
 
-// RUN: grep "@_ZN3foo1cE = global i32" %t | count 1
+// CHECK: @_ZN3foo1cE = global i32
 int c = 5;
 
-// RUN: not grep "@_ZN3foo1dE" %t
+// CHECK-NOT: @_ZN3foo1dE
 extern "C" struct d;
 
 }
+
+namespace test1 {
+  namespace {
+    struct X {};
+  }
+  extern "C" {
+    // CHECK: @b = global
+    X b = X();
+  }
+  void *use = &b;
+  // CHECK: @_ZN5test13useE = global
+}
-- 
2.7.4