PR35697: look at the first declaration when determining whether a function or

variable is extern "C" in linkage calculations.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@321686 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 17 insertions, 0 deletions

diff --git a/test/SemaCXX/extern-c.cpp b/test/SemaCXX/extern-c.cpp
index fa6c2b1990..1a32beec7b 100644
--- a/test/SemaCXX/extern-c.cpp
+++ b/test/SemaCXX/extern-c.cpp
@@ -242,3 +242,20 @@ namespace tag_hiding {
   ExternCStruct3 *q3 = p3;
   ExternCStruct4 *q4 = p4; // expected-error {{ambiguous}}
 }
+
+namespace PR35697 {
+  typedef struct {} *ReturnStruct;
+  extern "C" ReturnStruct PR35697_f();
+  extern "C" ReturnStruct PR35697_v;
+  ReturnStruct PR35697_f();
+  ReturnStruct PR35697_v;
+
+  namespace {
+    extern "C" ReturnStruct PR35697_f();
+    extern "C" ReturnStruct PR35697_v;
+    void q() {
+      extern ReturnStruct PR35697_f();
+      extern ReturnStruct PR35697_v;
+    }
+  }
+}