Walk over MaterializeTemporaryExpr when reverting an initializer to its

syntactic form in template instantiation. Previously, this blocked the
reversion and we ended up losing inner CXXBindTemporaryExprs (and thus
forgetting to call destructors!).

llvm-svn: 182969

1 files changed, 16 insertions, 0 deletions

diff --git a/clang/test/CodeGenCXX/cxx0x-initializer-constructors.cpp b/clang/test/CodeGenCXX/cxx0x-initializer-constructors.cpp
index be5b44df1fe..efbf318b817 100644
--- a/clang/test/CodeGenCXX/cxx0x-initializer-constructors.cpp
+++ b/clang/test/CodeGenCXX/cxx0x-initializer-constructors.cpp
@@ -35,3 +35,19 @@ void fn4() {
   // CHECK: call void @_ZN1SC1Eidd(%struct.S* %{{.+}}, i32 1, double 2.000000e+00, double 3.000000e+00)
   // CHECK: call void @_ZN1SC1Eidd(%struct.S* %{{.+}}, i32 4, double 5.000000e+00, double 6.000000e+00)
 }
+
+namespace TreeTransformBracedInit {
+  struct S {};
+  struct T { T(const S &); T(const T&); ~T(); };
+  void x(const T &);
+  template<typename> void foo(const S &s) {
+    // Instantiation of this expression used to lose the CXXBindTemporaryExpr
+    // node and thus not destroy the temporary.
+    x({s});
+  }
+  template void foo<void>(const S&);
+  // CHECK: define {{.*}} void @_ZN23TreeTransformBracedInit3fooIvEEvRKNS_1SE(
+  // CHECK: call void @_ZN23TreeTransformBracedInit1TC1ERKNS_1SE(
+  // CHECK-NEXT: call void @_ZN23TreeTransformBracedInit1xERKNS_1TE(
+  // CHECK-NEXT: call void @_ZN23TreeTransformBracedInit1TD1Ev(
+}