Module Name: src Committed By: rin Date: Mon Oct 5 13:32:32 UTC 2020
Modified Files: src/doc: HACKS Log Message: Update gdb/dwarf2expr.c hack for earmv7hf{,eb}; the situation does not change even for GCC 9.3 with ``memcmp'' fix. To generate a diff of this commit: cvs rdiff -u -r1.211 -r1.212 src/doc/HACKS Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/doc/HACKS diff -u src/doc/HACKS:1.211 src/doc/HACKS:1.212 --- src/doc/HACKS:1.211 Mon Oct 5 13:20:30 2020 +++ src/doc/HACKS Mon Oct 5 13:32:31 2020 @@ -1,4 +1,4 @@ -# $NetBSD: HACKS,v 1.211 2020/10/05 13:20:30 rin Exp $ +# $NetBSD: HACKS,v 1.212 2020/10/05 13:32:31 rin Exp $ # # This file is intended to document workarounds for currently unsolved # (mostly) compiler bugs. @@ -974,11 +974,12 @@ descr Disable optimization on tc.c, loge kcah port earmv7hf* -hack compile gdb/dwarf2expr.c with -O0 for GCC8 (toolchain/54820 and 54877) +hack compile gdb/dwarf2expr.c with -O0 for GCC[89] (toolchain/54820, 54877) cdate Wed Apr 29 11:04:58 UTC 2020 +mdate Mon Oct 5 22:30:00 JST 2020 who rin file src/external/gpl3/gdb/lib/libgdb/Makefile: 1.22 -descr GCC 8.4 miscompiles dwarf2expr.c with -O2 or -O1, which results in +descr GCC 8.4 and 9.3 miscompile dwarf2expr.c with -O[21], which results in crashes with 'gdb_exception_RETURN_MASK_ERROR'. Note that this occurs only for earmv7hf{,eb} as far as I can see. Neither earmv6hf{,eb} nor earmv7{,eb} (softfloat) are affected.