clang-rename: fix renaming of field with implicit initializers

The last check failed as Cla::Cla() was rewritten to Cla::hector().

Reviewers: cfe-commits, klimek

Differential Revision: http://reviews.llvm.org/D20150

llvm-svn: 269161

clang-tools-extra/clang-rename/USRLocFinder.cpp

@@ -60,6 +60,11 @@ public:
   bool VisitCXXConstructorDecl(clang::CXXConstructorDecl *ConstructorDecl) {
     for (clang::CXXConstructorDecl::init_const_iterator it = ConstructorDecl->init_begin(); it != ConstructorDecl->init_end(); ++it) {
       const clang::CXXCtorInitializer* Initializer = *it;
+      if (Initializer->getSourceOrder() == -1) {
+        // Ignore implicit initializers.
+        continue;
+      }
+
       if (const clang::FieldDecl *FieldDecl = Initializer->getAnyMember()) {
         if (getUSRForDecl(FieldDecl) == USR) {
           // The initializer refers to a field that is to be renamed.

clang-tools-extra/test/clang-rename/CtorInitializerTest.cpp

@@ -0,0 +1,20 @@
+// RUN: cat %s > %t.cpp
+// RUN: clang-rename -offset=162 -new-name=hector %t.cpp -i --
+// RUN: sed 's,//.*,,' %t.cpp | FileCheck %s
+class A
+{
+};
+
+class Cla
+{
+  A foo; // CHECK: hector;
+public:
+  Cla();
+};
+
+Cla::Cla() // CHECK: Cla::Cla()
+{
+}
+
+// Use grep -FUbo 'foo' <file> to get the correct offset of foo when changing
+// this file.