[PATCH] D56917: [clang] add tests to ExprMutAnalyzer that reproduced a crash in ASTMatchers
Jonas Toth via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Mon Jan 21 05:22:25 PST 2019
JonasToth updated this revision to Diff 182780.
JonasToth added a comment.
- use only the small reproducer
Repository:
rC Clang
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D56917/new/
https://reviews.llvm.org/D56917
Files:
unittests/Analysis/ExprMutationAnalyzerTest.cpp
Index: unittests/Analysis/ExprMutationAnalyzerTest.cpp
===================================================================
--- unittests/Analysis/ExprMutationAnalyzerTest.cpp
+++ unittests/Analysis/ExprMutationAnalyzerTest.cpp
@@ -1109,4 +1109,23 @@
EXPECT_THAT(mutatedBy(Results, AST.get()), ElementsAre("x->mf()"));
}
+TEST(ExprMutationAnalyzerTest, ReproduceFailureMinimal) {
+ const std::string Reproducer =
+ "namespace std {"
+ "template <class T> T forward(T & A) { return static_cast<T&&>(A); }"
+ "template <class T> struct __bind {"
+ " T f;"
+ " template <class V> __bind(T v, V &&) : f(forward(v)) {}"
+ "};"
+ "}"
+ "void f() {"
+ " int x = 42;"
+ " auto Lambda = [] {};"
+ " std::__bind<decltype(Lambda)>(Lambda, x);"
+ "}";
+ auto AST11 = buildASTFromCodeWithArgs(Reproducer, {"-std=c++11"});
+ auto Results11 =
+ match(withEnclosingCompound(declRefTo("x")), AST11->getASTContext());
+ EXPECT_FALSE(isMutated(Results11, AST11.get()));
+}
} // namespace clang
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