https://llvm.org/bugs/show_bug.cgi?id=30479
Bug ID: 30479 Summary: alignas and packed attribute not obeyed Product: clang Version: 3.9 Hardware: Other OS: Linux Status: NEW Severity: normal Priority: P Component: C++11 Assignee: unassignedclangb...@nondot.org Reporter: david.jo...@free.fr CC: dgre...@apple.com, llvm-bugs@lists.llvm.org Classification: Unclassified Here's the test case : ----------------- #include <cstdint> #include <cstddef> struct alignas(128) test { uint8_t v; uint64_t s; } __attribute__((__packed__)); int main(int argc, char** argv) { struct test t; static_assert(offsetof(test, s) == 1, "Bug on!"); return 0; } ----------------- And here's the output : $ clang++ -std=c++11 test.cpp test.cpp:13:3: error: static_assert failed "Bug on!" static_assert(offsetof(test, s) == 1, "Bug on!"); ^ ~~~~~~~~~~~~~~~~~~~~~~ 1 error generated. $ clang++ --version TPM built 20160902 clang version 3.9.0 (tags/RELEASE_390/final) (based on LLVM 3.9.0) Target: x86_64-unknown-linux-gnu Thread model: posix InstalledDir: [redacted] ----------------- While it compiles fine with gcc and icc : $ g++ -std=c++11 test.cpp $ g++ --version g++ (TPM built 20160719) 5.4.0 -- You are receiving this mail because: You are on the CC list for the bug.
_______________________________________________ llvm-bugs mailing list llvm-bugs@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-bugs