[src/trunk]: src/external/gpl3/gcc/lib/libasan Work around RISC-V compiler bu...

[dennis <dennis%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/55189a39f661
branches:  trunk
changeset: 334690:55189a39f661
user:      dennis <dennis%NetBSD.org@localhost>
date:      Tue Dec 02 03:20:39 2014 +0000

description:
Work around RISC-V compiler bug in gcc 4.8.3 (at least).
Should be reconsidered if the compiler is updated.
PR toolchain/49425

diffstat:

 external/gpl3/gcc/lib/libasan/Makefile |  6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diffs (14 lines):

diff -r 364724d625d6 -r 55189a39f661 external/gpl3/gcc/lib/libasan/Makefile
--- a/external/gpl3/gcc/lib/libasan/Makefile    Tue Dec 02 01:59:10 2014 +0000
+++ b/external/gpl3/gcc/lib/libasan/Makefile    Tue Dec 02 03:20:39 2014 +0000
@@ -56,4 +56,10 @@
 LIBDPLIBS+=    stdc++ ${.CURDIR}/../libstdc++-v3
 LIBDPLIBS+=    pthread ${.CURDIR}/../../../../../lib/libpthread
 
+# Work around riscv compiler bugs in (at least) gcc 4.8.3
+.if ${MACHINE_ARCH} == "riscv64"
+COPTS.asan_allocator2.cc += -O0
+COPTS.sanitizer_netbsd.cc += -O0
+.endif
+
 .include <bsd.lib.mk>