[Bug rtl-optimization/46614] [4.5/4.6 Regression] gcc.dg/vect/vect-strided-u8-i8-gap4.c FAILs with -fno-rename-registers -fsched2-use-superblocks

[zsojka at seznam dot cz]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46614

--- Comment #2 from Zdenek Sojka <zsojka at seznam dot cz> 2010-11-22 23:47:55 UTC ---
Created attachment 22490
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22490
more reduced testcase

This one needs less flags, but it gives warnings with -Wall -W - though they
should be harmless.

$ gcc -O -fno-rename-registers -fsched2-use-superblocks -fschedule-insns2
-funroll-loops testcase2.c -Wall -W
testcase2.c: In function 'main1':
testcase2.c:30:13: warning: comparison between signed and unsigned integer
expressions [-Wsign-compare]
testcase2.c:31:13: warning: comparison between signed and unsigned integer
expressions [-Wsign-compare]
testcase2.c:38:20: warning: comparison between signed and unsigned integer
expressions [-Wsign-compare]
$ ./a.out 
Aborted