vsapsai created this revision. vsapsai added reviewers: george.karpenkov, lebedev.ri. Herald added a subscriber: dexonsmith.
The test hits stack overflow trying to instantiate recursive templates. It is observed with ASAN and not with a regular build because ASAN increases stack frame size. rdar://problem/45009892 https://reviews.llvm.org/D54132 Files: clang/test/CodeGenCXX/castexpr-basepathsize-threshold.cpp Index: clang/test/CodeGenCXX/castexpr-basepathsize-threshold.cpp =================================================================== --- clang/test/CodeGenCXX/castexpr-basepathsize-threshold.cpp +++ clang/test/CodeGenCXX/castexpr-basepathsize-threshold.cpp @@ -3,6 +3,10 @@ // https://bugs.llvm.org/show_bug.cgi?id=38356 // We only check that we do not crash. +// ASAN increases stack usage, so we are hitting stack overflow before reaching +// recursive template instantiation limit. +// XFAIL: darwin && asan + template <typename a, a b(unsigned), int c, unsigned...> struct d : d<a, b, c - 1> {}; template <typename a, a b(unsigned), unsigned... e>
Index: clang/test/CodeGenCXX/castexpr-basepathsize-threshold.cpp =================================================================== --- clang/test/CodeGenCXX/castexpr-basepathsize-threshold.cpp +++ clang/test/CodeGenCXX/castexpr-basepathsize-threshold.cpp @@ -3,6 +3,10 @@ // https://bugs.llvm.org/show_bug.cgi?id=38356 // We only check that we do not crash. +// ASAN increases stack usage, so we are hitting stack overflow before reaching +// recursive template instantiation limit. +// XFAIL: darwin && asan + template <typename a, a b(unsigned), int c, unsigned...> struct d : d<a, b, c - 1> {}; template <typename a, a b(unsigned), unsigned... e>
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