On 2012-07-01, at 12:53 PM, Vincent Rivière wrote: > On 01/07/2012 16:16, t-rexky wrote: >> I discovered that if I rebuild stage 3 with BOOT_CFLAGS="-g -O0", the >> warnings in stage 3 compiler all disappear! > > This is extremely wierd! > > So it looks like something is affected by the optimization level. Usually, it > is an uninitialized variable, buffer overflow, strict aliasing issue, or > maybe a GCC bug... > > Since it is unlikely that this specific bug is in the standard GCC sources > (other people would have noticed), maybe it could be somewhere in the C > sources added for your NeXT configuration?
I am also certain that this is somehow related to my configuration so I reviewed my target config files once again but there was nothing obvious staring back at me. At one point I thought that there was an issue with the TARGET_ASM_SELECT_SECTION function that I pulled in from gcc-3.2.3, so I completely rewrote it using the Darwin version from gcc-4.2.4 (conveniently Darwin is almost identical to NEXTSTEP minus some new features like weak support, coalesced sections, etc). I spent the last week fiddling with this due to the length of the bootstrap process on the 68040, but unfortunately to no avail... I might have no choice but to get a newer gdb version going if I do not find anything else... t-rexky
