[Bug inline-asm/71086] miscompiled inline-asm + alternative constraints + __builtin_expect + always_inline

[mikpelinux at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71086

Mikael Pettersson <mikpelinux at gmail dot com> changed:

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--- Comment #1 from Mikael Pettersson <mikpelinux at gmail dot com> ---
Created attachment 38593
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38593&action=edit
standalone test case

Standalone test case in C.  Compile with -O1 on x86_64.  Wrong-code reproduces
with gcc-4.9.3 and 4.8.5, but not with 4.7.4, 5.3, 6.1, or trunk.

I'm assuming the inline asm (from the original report) is correct...