[Bug 910937] Re: gcc crashes in simplify_subreg:5375

[Matthias Klose]

works in trusty:

$ gcc-4.6 -o david2 david2.c -std=c99 -O3
david2.c: In function 'assertbbeq':
david2.c:502:6: note: The ABI for passing parameters with 32-byte alignment has changed in GCC 4.6
david2.c: In function 'readMove':
david2.c:396:7: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
david2.c: In function '__builtin_shuffle':
david2.c:115:6: warning: AVX vector argument without AVX enabled changes the ABI [enabled by default]


** Changed in: gcc-defaults (Ubuntu)
       Status: New => Fix Released

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to gcc-defaults in Ubuntu.
https://bugs.launchpad.net/bugs/910937

Title:
  gcc crashes in simplify_subreg:5375

Status in “gcc-defaults” package in Ubuntu:
  Fix Released

Bug description:
  GCC optimizer crashes on compiling attached code. expected it to
  finish compilation without errors, as happens when not passing
  optimizer flags to it.

  compiled with gcc -o david2 david2.c -std=c99 -O3

  also crashes on -O2, -O1, -O, -Os.

  Using ubuntu 11.10 (64 bit) on intel core i3.

  gcc --version output:
  gcc (Ubuntu/Linaro 4.6.1-9ubuntu3) 4.6.1

  Been unable to simplify code that causes bug.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/gcc-defaults/+bug/910937/+subscriptions