Follow-up to r205999: Emit an artificial location (valid scope, line 0)
for CXXGlobalInit/Dtor helper functions.
This makes _GLOBAL__I_a regain its DW_AT_high/low_pc in the debug info.

Thanks to echristo for catching this!

llvm-svn: 206088
diff --git a/clang/test/CodeGenCXX/globalinit-loc.cpp b/clang/test/CodeGenCXX/globalinit-loc.cpp
index bf3340c..c6c27e3 100644
--- a/clang/test/CodeGenCXX/globalinit-loc.cpp
+++ b/clang/test/CodeGenCXX/globalinit-loc.cpp
@@ -5,8 +5,9 @@
 // with any source location.
 //
 // CHECK: define internal void @_GLOBAL__I_a
-// CHECK-NOT: !dbg
+// CHECK: !dbg ![[DBG:.*]]
 // CHECK: "_GLOBAL__I_a", i32 0, {{.*}}, i32 0} ; [ DW_TAG_subprogram ] [line 0] [local] [def]
+// CHECK: ![[DBG]] = metadata !{i32 0, i32 0,
 # 99 "someheader.h"
 class A {
 public: