[LLVMbugs] [Bug 19884] clang crashes on valid code at -O3 on x86_64-linux-gnu

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Thu May 29 14:37:22 PDT 2014


Sanjay Patel <spatel+llvm at rotateright.com> changed:

           What    |Removed                     |Added
             Status|NEW                         |RESOLVED
                 CC|                            |spatel+llvm at rotateright.com
         Resolution|---                         |DUPLICATE

--- Comment #1 from Sanjay Patel <spatel+llvm at rotateright.com> ---
The good news is that I think this is a duplicate of bug 18861. That bug was
fixed by:

Zhendong - if you could please update to TOT and confirm there's no more crash,
that would be great.

The weird news is that neither this test case nor the ones in bug 18861 caused
my CMake-built clang to crash prior to r209796. Only the autotools-built
(configure; make) clang crashed.

I tested on both Ubuntu 14.04 (clang TOT built by gcc 4.9) and OSX 10.9 (clang
TOT built by clang ~3.4).

Does anyone have any theories on how this could happen?

*** This bug has been marked as a duplicate of bug 18861 ***

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