[ms-inline asm] Don't diagnose an empty lookup for inline assmebly. This happen

for labels in inline assembly that aren't in the lookup tables.  E.g.,

  __asm {
   a:
   jmp a
  }

rdar://13983623

llvm-svn: 182659

1 files changed, 8 insertions, 0 deletions

diff --git a/clang/test/CodeGen/ms-inline-asm.cpp b/clang/test/CodeGen/ms-inline-asm.cpp
index 8f824f9947b..8b9109d0194 100644
--- a/clang/test/CodeGen/ms-inline-asm.cpp
+++ b/clang/test/CodeGen/ms-inline-asm.cpp
@@ -103,3 +103,11 @@ void test5() {
   __asm mov x, eax
   // CHECK: call void asm sideeffect inteldialect "mov dword ptr $0, eax", "=*m,~{dirflag},~{fpsr},~{flags}"(i32* [[X]])
 }
+
+// Just verify this doesn't emit an error.
+void test6() {
+  __asm {
+   a:
+   jmp a
+  }
+}