cpp11-migrate segfaults transforming map<string,int>::iterator

cpp11-migrate segfaults when -use-auto tries to resolve initializing 
expression resulting in an expression with cleanups.

- Skip expressions with cleanups from the initializer
- Added test case

Fixes PR15550

llvm-svn: 178167

1 files changed, 8 insertions, 0 deletions

diff --git a/clang-tools-extra/test/cpp11-migrate/UseAuto/iterator.cpp b/clang-tools-extra/test/cpp11-migrate/UseAuto/iterator.cpp
index ec1e5540759..59c2979b32e 100644
--- a/clang-tools-extra/test/cpp11-migrate/UseAuto/iterator.cpp
+++ b/clang-tools-extra/test/cpp11-migrate/UseAuto/iterator.cpp
@@ -148,5 +148,13 @@ int main(int argc, char **argv) {
     // CHECK: auto && I2 = Vec.begin();
   }
 
+  // Passing a string as an argument to introduce a temporary object
+  // that will create an expression with cleanups. Bugzilla: 15550
+  {
+    std::unordered_map<int> MapFind;
+    std::unordered_map<int>::iterator I = MapFind.find("foo");
+    // CHECK: auto I = MapFind.find("foo");
+  }
+
   return 0;
 }