------- Comment #21 from sergstesh at yahoo dot com 2008-01-20 22:30 ------- Now that the flags are in this order: -Wall -Wstrict-overflow=5 :
a) the warnings during compilation: " [EMAIL PROTECTED]:/mnt/sda8/sergei/gcc4.2.x-O2_bug/gcc-4.2.2-O2/libsndfile-1.0.17> grep warn make.log lpc.c:220: warning: assuming signed overflow does not occur when simplifying conditional to constant g72x.c:249: warning: assuming signed overflow does not occur when simplifying conditional to constant sndfile.c:491: warning: the address of 'sf_error' will never be NULL aiff.c:557: warning: assuming signed overflow does not occur when changing X +- C1 cmp C2 to X cmp C1 +- C2 sd2.c:540: warning: assuming signed overflow does not occur when changing X +- C1 cmp C2 to X cmp C1 +- C2 sd2.c:558: warning: assuming signed overflow does not occur when changing X +- C1 cmp C2 to X cmp C1 +- C2 sndfile-play.c:292: warning: the address of ‘status’ will always evaluate as ‘true’ lossy_comp_test.c:1342: warning: assuming signed overflow does not occur when simplifying abs (X) to X or -X lossy_comp_test.c:1527: warning: assuming signed overflow does not occur when simplifying abs (X) to X or -X lossy_comp_test.c:761: warning: assuming signed overflow does not occur when simplifying abs (X) to X or -X lossy_comp_test.c:573: warning: assuming signed overflow does not occur when simplifying abs (X) to X or -X peak_chunk_test.c:127: warning: assuming signed overflow does not occur when simplifying division peak_chunk_test.c:194: warning: assuming signed overflow does not occur when simplifying division fix_this.c:155: warning: assuming signed overflow does not occur when simplifying abs (X) to X or -X [EMAIL PROTECTED]:/mnt/sda8/sergei/gcc4.2.x-O2_bug/gcc-4.2.2-O2/libsndfile-1.0.17> "; b) 'make check' still fails with the same " Line 765: Signal is all zeros (-27260928, 0xFE600800). " message. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34841