[modules] Fix a rejects-valid resulting from emitting an inline function
recursively within the emission of another inline function. This ultimately
led to us emitting the same inline function definition twice, which we then
rejected because we believed we had a mangled name conflict.
llvm-svn: 215579
diff --git a/clang/test/Modules/cxx-irgen.cpp b/clang/test/Modules/cxx-irgen.cpp
index 7bb1287..4c6d81d 100644
--- a/clang/test/Modules/cxx-irgen.cpp
+++ b/clang/test/Modules/cxx-irgen.cpp
@@ -1,5 +1,6 @@
// RUN: rm -rf %t
// RUN: %clang_cc1 -fmodules -x objective-c++ -std=c++11 -fmodules-cache-path=%t -I %S/Inputs -triple %itanium_abi_triple -disable-llvm-optzns -emit-llvm -o - %s | FileCheck %s
+// RUN: %clang_cc1 -fmodules -x objective-c++ -std=c++11 -fmodules-cache-path=%t -I %S/Inputs -triple %itanium_abi_triple -disable-llvm-optzns -emit-llvm -g -o - %s | FileCheck %s
// FIXME: When we have a syntax for modules in C++, use that.
@import cxx_irgen_top;
@@ -10,6 +11,22 @@
@import cxx_irgen_left;
@import cxx_irgen_right;
+// Keep these two namespace definitions separate; merging them hides the bug.
+namespace EmitInlineMethods {
+ // CHECK-DAG: define linkonce_odr void @_ZN17EmitInlineMethods1C1fEPNS_1AE(
+ // CHECK-DAG: declare void @_ZN17EmitInlineMethods1A1gEv(
+ struct C {
+ __attribute__((used)) void f(A *p) { p->g(); }
+ };
+}
+namespace EmitInlineMethods {
+ // CHECK-DAG: define linkonce_odr void @_ZN17EmitInlineMethods1D1fEPNS_1BE(
+ // CHECK-DAG: define linkonce_odr void @_ZN17EmitInlineMethods1B1gEv(
+ struct D {
+ __attribute__((used)) void f(B *p) { p->g(); }
+ };
+}
+
// CHECK-DAG: define available_externally hidden {{signext i32|i32}} @_ZN1SIiE1gEv({{.*}} #[[ALWAYS_INLINE:.*]] align
int a = S<int>::g();