[Bug tree-optimization/55138] [4.7 Regression] inlining fails with -O2 on gcc 4.7.2

[mikpe at it dot uu.se]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55138

--- Comment #2 from Mikael Pettersson <mikpe at it dot uu.se> 2012-10-30 14:47:41 UTC ---
Created attachment 28577
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28577
reduced test case in C

C++ not needed, fails also in C, works with gcc-4.6.3