Module: Do not add any link flags when an implementation TU of a module imports
a header of that same module.
This fixes a regression caused by r280409.
rdar://problem/29930553
This is an updated version for r291628 (which was reverted in r291688).
llvm-svn: 291689
diff --git a/clang/test/Modules/module-impl-with-link.c b/clang/test/Modules/module-impl-with-link.c
new file mode 100644
index 0000000..5e5ca83
--- /dev/null
+++ b/clang/test/Modules/module-impl-with-link.c
@@ -0,0 +1,7 @@
+// RUN: rm -rf %t
+// RUN: %clang_cc1 -fmodules-cache-path=%t -fmodules -fimplicit-module-maps -fmodule-name=Clib %s -I %S/Inputs/module-impl-with-link -emit-llvm -o -
+#include "foo.h"
+// CHECK: !{{[0-9]+}} = !{i32 6, !"Linker Options", ![[LINK_OPTIONS:[0-9]+]]}
+// Make sure we don't generate linker option for module Clib since this TU is
+// an implementation of Clib.
+// CHECK: ![[LINK_OPTIONS]] = !{}