[Bug rtl-optimization/54365] ARM optimization bug when pointer arithmetic wraps

[g...@undo-software.com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54365

--- Comment #5 from Greg Law <g...@undo-software.com> 2012-08-30 13:23:54 UTC 
---
-fwrapv doesn't appear to make a difference:

 $ gcc compilerbug.c 
 $ ./a.out 
it wraps
 $ gcc -O2 compilerbug.c 
 $ ./a.out 
no wrap
 $ gcc -O2 -fwrapv compilerbug.c
 $ ./a.out
no wrap
 $