Date: Fri, 05 Jan 2018 20:55:07 +0000 From: bugzilla-noreply@freebsd.org To: gecko@FreeBSD.org Subject: [Bug 224917] www/firefox: bus error on stable/10 with 57.0.3,1 Message-ID: <bug-224917-21738-UapR9TmKwE@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-224917-21738@https.bugs.freebsd.org/bugzilla/> References: <bug-224917-21738@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D224917 --- Comment #2 from Jilles Tjoelker <jilles@FreeBSD.org> --- I rebuilt firefox-57.0.3,1 from a (slightly more recent) ports tree with SVN r457360 reverted. This seems to run stably for 20 minutes and the disassemb= ly of the corresponding part of libxul.so shows that clang 4.0 has used two regular mov instructions instead of SSE: ceac73: 75 9b jne ceac10 <_ZN7mozilla3ipc14MessageChannel5ClearEv+0x90> ceac75: 49 8b b6 10 01 00 00 mov 0x110(%r14),%rsi ceac7c: 48 8b 7d c8 mov -0x38(%rbp),%rdi ceac80: e8 9b bf 00 00 callq cf6c20 <_ZNSt3__16__treeINS_12__value_typeImN7mozilla3ipc14MessageChannel13Promise= HolderEEENS_19__map_value_compareImS6_NS_4lessImEELb1EEENS_9allocatorIS6_EE= E7destroyEPNS_11__tree_nodeIS6_PvEE> ceac85: 49 c7 86 18 01 00 00 movq $0x0,0x118(%r14) ceac8c: 00 00 00 00=20 ceac90: 4d 89 be 08 01 00 00 mov %r15,0x108(%r14) ceac97: 49 c7 86 10 01 00 00 movq $0x0,0x110(%r14) ceac9e: 00 00 00 00=20 ceaca2: 49 c7 46 38 00 00 00 movq $0x0,0x38(%r14) ceaca9: 00=20 ceacaa: 49 8b 7e 30 mov 0x30(%r14),%rdi ceacae: 48 85 ff test %rdi,%rdi ceacb1: 74 06 je ceacb9 <_ZN7mozilla3ipc14MessageChannel5ClearEv+0x139> --=20 You are receiving this mail because: You are the assignee for the bug.=
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