gcc-4.0 branch from 2005-12-28; arm-linux target $ cc1 -O2 phaser.i -fomit-frame-pointer -ffast-math -g -O2 -Wall -falign-loops=4 -falign-jumps=4 -ffast-math -fomit-frame-pointer -finline-functions -funroll-loops yields: phaser.i: In function ‘phaser1set’: phaser.i:61: fatal error: internal consistency failure compilation terminated. #0 0xb7ecc3b6 in exit () from /lib/tls/libc.so.6 #1 0x0812c988 in diagnostic_action_after_output ( context=<value optimized out>, diagnostic=<value optimized out>) at ../../gcc-4_0-branch/gcc/diagnostic.c:252 #2 0x0812caaf in diagnostic_report_diagnostic (context=0x83b75a0, diagnostic=0xbffff5e8) at ../../gcc-4_0-branch/gcc/diagnostic.c:351 #3 0x0812ccfc in fatal_error (gmsgid=0x835df69 "internal consistency failure") at ../../gcc-4_0-branch/gcc/diagnostic.c:496 #4 0x08174995 in verify_local_live_at_start (new_live_at_start=0x842f720, bb=0xb7d13000) at ../../gcc-4_0-branch/gcc/flow.c:494
Created attachment 10560 [details] testcase
the testcase is from the debian package csound, which builds fine with current 4.1.
> the testcase is from the debian package csound, which builds fine with current > 4.1. The 4.0 branch is now closed. Reopen if you can reproduce with 4.x x>=1.