https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81351
Bug ID: 81351
Summary: [8 regression] Many LTO testcases FAIL
Product: gcc
Version: 8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: lto
Assignee: unassigned at gcc dot gnu.org
Reporter: ro at gcc dot gnu.org
CC: hubicka at gcc dot gnu.org, marxin at gcc dot gnu.org
Target Milestone: ---
Target: i386-pc-solaris2.12, sparc-sun-solaris2.12
Between 20170705 (r250005) and 20170706 (r250037), many LTO testcases started
to FAIL on Solaris/SPARC and x86:
+FAIL: g++.dg/lto/20081109 cp_lto_20081109_0.o-cp_lto_20081109_1.o execute -O0
-flto
+FAIL: g++.dg/lto/20081109 cp_lto_20081109_0.o-cp_lto_20081109_1.o execute -O0
-flto -flto-partition=1to1
+FAIL: g++.dg/lto/20081109 cp_lto_20081109_0.o-cp_lto_20081109_1.o execute -O0
-flto -flto-partition=none
+FAIL: g++.dg/lto/20081109 cp_lto_20081109_0.o-cp_lto_20081109_1.o execute -O2
-flto
+FAIL: g++.dg/lto/20081109 cp_lto_20081109_0.o-cp_lto_20081109_1.o execute -O2
-flto -flto-partition=1to1
+FAIL: g++.dg/lto/20081109 cp_lto_20081109_0.o-cp_lto_20081109_1.o execute -O2
-flto -flto-partition=none
+FAIL: g++.dg/torture/pr49115.C -O2 -flto execution test
+FAIL: g++.dg/torture/pr49115.C -O2 -flto -flto-partition=none execution
test
+FAIL: g++.dg/torture/pr60750.C -O2 -flto execution test
+FAIL: g++.dg/torture/pr60750.C -O2 -flto -flto-partition=none execution
test
+FAIL: g++.dg/torture/pr68184.C -O2 -flto execution test
+FAIL: g++.dg/torture/pr68184.C -O2 -flto -flto-partition=none execution
test
+FAIL: g++.dg/torture/stackalign/eh-alloca-1.C -O2 -flto execution test
+FAIL: g++.dg/torture/stackalign/eh-alloca-1.C -O2 -flto -flto-partition=none
execution test
+FAIL: g++.dg/torture/stackalign/eh-alloca-1.C -O2 -flto -flto-partition=none
-fpic execution test
+FAIL: g++.dg/torture/stackalign/eh-alloca-1.C -O2 -flto -fpic execution test
+FAIL: g++.dg/torture/stackalign/eh-fastcall-1.C -O2 -flto execution test
+FAIL: g++.dg/torture/stackalign/eh-fastcall-1.C -O2 -flto
-flto-partition=none execution test
+FAIL: g++.dg/torture/stackalign/eh-fastcall-1.C -O2 -flto
-flto-partition=none -fpic execution test
+FAIL: g++.dg/torture/stackalign/eh-fastcall-1.C -O2 -flto -fpic execution
test
+FAIL: g++.dg/torture/stackalign/eh-global-1.C -O2 -flto execution test
+FAIL: g++.dg/torture/stackalign/eh-global-1.C -O2 -flto -flto-partition=none
execution test
+FAIL: g++.dg/torture/stackalign/eh-global-1.C -O2 -flto -flto-partition=none
-fpic execution test
+FAIL: g++.dg/torture/stackalign/eh-global-1.C -O2 -flto -fpic execution test
+FAIL: g++.dg/torture/stackalign/eh-inline-1.C -O2 -flto execution test
+FAIL: g++.dg/torture/stackalign/eh-inline-1.C -O2 -flto -flto-partition=none
execution test
+FAIL: g++.dg/torture/stackalign/eh-inline-1.C -O2 -flto -flto-partition=none
-fpic execution test
+FAIL: g++.dg/torture/stackalign/eh-inline-1.C -O2 -flto -fpic execution test
+FAIL: g++.dg/torture/stackalign/eh-inline-2.C -O2 -flto execution test
+FAIL: g++.dg/torture/stackalign/eh-inline-2.C -O2 -flto -flto-partition=none
execution test
+FAIL: g++.dg/torture/stackalign/eh-inline-2.C -O2 -flto -flto-partition=none
-fpic execution test
+FAIL: g++.dg/torture/stackalign/eh-inline-2.C -O2 -flto -fpic execution test
+FAIL: g++.dg/torture/stackalign/eh-thiscall-1.C -O2 -flto execution test
+FAIL: g++.dg/torture/stackalign/eh-thiscall-1.C -O2 -flto
-flto-partition=none execution test
+FAIL: g++.dg/torture/stackalign/eh-thiscall-1.C -O2 -flto
-flto-partition=none -fpic execution test
+FAIL: g++.dg/torture/stackalign/eh-thiscall-1.C -O2 -flto -fpic execution
test
+FAIL: g++.dg/torture/stackalign/eh-vararg-1.C -O2 -flto execution test
+FAIL: g++.dg/torture/stackalign/eh-vararg-1.C -O2 -flto -flto-partition=none
execution test
+FAIL: g++.dg/torture/stackalign/eh-vararg-1.C -O2 -flto -flto-partition=none
-fpic execution test
+FAIL: g++.dg/torture/stackalign/eh-vararg-1.C -O2 -flto -fpic execution test
+FAIL: g++.dg/torture/stackalign/eh-vararg-2.C -O2 -flto execution test
+FAIL: g++.dg/torture/stackalign/eh-vararg-2.C -O2 -flto -flto-partition=none
execution test
+FAIL: g++.dg/torture/stackalign/eh-vararg-2.C -O2 -flto -flto-partition=none
-fpic execution test
+FAIL: g++.dg/torture/stackalign/eh-vararg-2.C -O2 -flto -fpic execution test
+FAIL: g++.dg/torture/stackalign/throw-1.C -O2 -flto execution test
+FAIL: g++.dg/torture/stackalign/throw-1.C -O2 -flto -flto-partition=none
execution test
+FAIL: g++.dg/torture/stackalign/throw-1.C -O2 -flto -flto-partition=none
-fpic execution test
+FAIL: g++.dg/torture/stackalign/throw-1.C -O2 -flto -fpic execution test
+FAIL: g++.dg/torture/stackalign/throw-2.C -O2 -flto execution test
+FAIL: g++.dg/torture/stackalign/throw-2.C -O2 -flto -flto-partition=none
execution test
+FAIL: g++.dg/torture/stackalign/throw-2.C -O2 -flto -flto-partition=none
-fpic execution test
+FAIL: g++.dg/torture/stackalign/throw-2.C -O2 -flto -fpic execution test
+FAIL: g++.dg/torture/stackalign/throw-3.C -O2 -flto execution test
+FAIL: g++.dg/torture/stackalign/throw-3.C -O2 -flto -flto-partition=none
execution test
+FAIL: g++.dg/torture/stackalign/throw-3.C -O2 -flto -flto-partition=none
-fpic execution test
+FAIL: g++.dg/torture/stackalign/throw-3.C -O2 -flto -fpic execution test
32 and 64-bit sparc, 32-bit x86 only
e.g. g++.dg/torture/pr49115.C:
terminate called after throwing an instance of 'MyException'
Abort
+FAIL: gnat.dg/lto8.adb execution test
32 and 64-bit sparc, 32-bit x86 only
+FAIL: g++.dg/torture/stackalign/unwind-0.C -O2 -flto execution test
+FAIL: g++.dg/torture/stackalign/unwind-0.C -O2 -flto -flto-partition=none
execution test
+FAIL: g++.dg/torture/stackalign/unwind-1.C -O2 -flto execution test
+FAIL: g++.dg/torture/stackalign/unwind-1.C -O2 -flto -flto-partition=none
execution test
+FAIL: g++.dg/torture/stackalign/unwind-2.C -O2 -flto execution test
+FAIL: g++.dg/torture/stackalign/unwind-2.C -O2 -flto -flto-partition=none
execution test
+FAIL: g++.dg/torture/stackalign/unwind-3.C -O2 -flto execution test
+FAIL: g++.dg/torture/stackalign/unwind-3.C -O2 -flto -flto-partition=none
execution test
+FAIL: g++.dg/torture/stackalign/unwind-4.C -O2 -flto execution test
+FAIL: g++.dg/torture/stackalign/unwind-4.C -O2 -flto -flto-partition=none
execution test
+FAIL: g++.dg/torture/stackalign/unwind-5.C -O2 -flto execution test
+FAIL: g++.dg/torture/stackalign/unwind-5.C -O2 -flto -flto-partition=none
execution test
+FAIL: g++.dg/torture/stackalign/unwind-6.C -O2 -flto execution test
+FAIL: g++.dg/torture/stackalign/unwind-6.C -O2 -flto -flto-partition=none
execution test
32-bit x86 only
I'll start a reghunt to identify the culprit, but the most likely candidates
are
changeset: 39310:fb513600eb4c
user: hubicka@138bc75d-0d04-0410-961f-82ee72b054a4
date: Thu Jul 06 16:46:47 2017 +0000
files: gcc/ChangeLog gcc/cgraphunit.c gcc/lto/ChangeLog
gcc/lto/lto-partit
ion.c
description:
* cgraphunit.c (cgraph_node::finalize_function): When
!flag_toplevel_reorde set no_reorder flag.
(varpool_node::finalize_decl): Likewise.
(symbol_table::compile): Drop no toplevel reorder path.
* lto-partition.c (lto_balanced_map): Do not check
flag_toplevel_reorder.
changeset: 39311:a2df04e7a94b
user: hubicka@138bc75d-0d04-0410-961f-82ee72b054a4
date: Thu Jul 06 16:47:20 2017 +0000
files: gcc/ChangeLog gcc/lto-wrapper.c
description:
* lto-wrapper.c (merge_and_complain): Do not merge
fexceptions, fnon_call_exceptions, ftrapv, ffp_contract_, fmath_errno,
fsigned_zeros, ftrapping_math, fwrapv.
(append_compiler_options): Do not track these options.
(append_linker_options): Likewie
Rainer
