commit 8b53f7ca6daa21ea4510c0d2b35bee7edade6b0e
author George Karpenkov <ekarpenkov@apple.com> Mon Oct 09 23:20:46 2017 +0000
committer George Karpenkov <ekarpenkov@apple.com> Mon Oct 09 23:20:46 2017 +0000
tree 33f3bf0ca3b30c3cb66f1533c64bf1d806f1e716
parent 0965da20552af85f43b1a15c0867e423791b5513

[Analyzer] Do not segfault on unexpected call_once implementation

Fixes https://bugs.llvm.org/show_bug.cgi?id=34869

Differential Revision: https://reviews.llvm.org/D38702

llvm-svn: 315250

clang/test/Analysis/call_once.cpp

diff --git a/clang/test/Analysis/call_once.cpp b/clang/test/Analysis/call_once.cpp
index 030b343..324d9fc 100644
--- a/clang/test/Analysis/call_once.cpp
+++ b/clang/test/Analysis/call_once.cpp
@@ -231,3 +231,12 @@
   int x = call_once();
   clang_analyzer_eval(x == 5); // expected-warning{{TRUE}}
 }
+
+namespace std {
+template <typename d, typename e>
+void call_once(d, e);
+}
+void g();
+void test_no_segfault_on_different_impl() {
+  std::call_once(g, false); // no-warning
+}