[llvm-bugs] [Bug 34537] clang crashes on valid code at -O3 in 64-bit mode on x86_64-linux-gnu while running pass 'Machine InstCombiner': Assertion `!NodePtr->isKnownSentinel()' failed

via llvm-bugs llvm-bugs at lists.llvm.org
Thu Oct 19 11:43:03 PDT 2017


https://bugs.llvm.org/show_bug.cgi?id=34537

Davide Italiano <davide at freebsd.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED

--- Comment #3 from Davide Italiano <davide at freebsd.org> ---
The examples don't crash anymore (at any optimization level)

[davide at localhost bin]$ ./clang -O3 small.c
[davide at localhost bin]$ ./clang -O2 small.c
[davide at localhost bin]$ ./clang -O1 small.c
[davide at localhost bin]$ ./clang -O0 small.c
[davide at localhost bin]$ ./clang -Os small.c

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