[Bug tree-optimization/64590] Firefox 34 triggers GCC AVX bug (segfault: XPCCallContext::GetJSContext (this=0xfffc7fffe3e23980))

[fragabr at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64590

--- Comment #9 from Dâniel Fraga <fragabr at gmail dot com> ---
(In reply to Andrew Pinski from comment #8)
> Try this:
> disassemble $pc,$pc+0x10

(gdb) disassemble $pc,$pc+0x10
Dump of assembler code from 0x7ffff4538d0c to 0x7ffff4538d1c:
=> 0x00007ffff4538d0c <js::AssertHeapIsIdle(JSRuntime*)+28>:    movl   $0x0,0x0
   0x00007ffff4538d17 <js::AssertHeapIsIdle(JSRuntime*)+39>:    ud2    
   0x00007ffff4538d19:  nop
   0x00007ffff4538d1a:  nopw   0x0(%rax,%rax,1)
End of assembler dump.