http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55168
Bug #: 55168
Summary: [4.8 Regression]: gcc.c-torture/compile/pr44119.c ICE,
all but -O0
Classification: Unclassified
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: regression
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: h...@gcc.gnu.org
CC: ste...@gcc.gnu.org
Host: x86_64-unknown-linux-gnu
Target: cris-axis-elf
This test previously passed, now it fails.
A patch in the revision range (last_known_working:first_known_failing)
193042:193049
exposed or caused this regression. Since then it fails as follows:
Running
/tmp/hpautotest-gcc0/gcc/gcc/testsuite/gcc.c-torture/compile/compile.exp ...
FAIL: gcc.c-torture/compile/pr44119.c -O1 (internal compiler error)
FAIL: gcc.c-torture/compile/pr44119.c -O1 (test for excess errors)
FAIL: gcc.c-torture/compile/pr44119.c -O2 (internal compiler error)
FAIL: gcc.c-torture/compile/pr44119.c -O2 (test for excess errors)
FAIL: gcc.c-torture/compile/pr44119.c -O3 -fomit-frame-pointer (internal
compiler error)
FAIL: gcc.c-torture/compile/pr44119.c -O3 -fomit-frame-pointer (test for
excess errors)
FAIL: gcc.c-torture/compile/pr44119.c -O3 -fomit-frame-pointer -funroll-loops
(internal compiler error)
FAIL: gcc.c-torture/compile/pr44119.c -O3 -fomit-frame-pointer -funroll-loops
(test for excess errors)
FAIL: gcc.c-torture/compile/pr44119.c -O3 -fomit-frame-pointer
-funroll-all-loops -finline-functions (internal compiler error)
FAIL: gcc.c-torture/compile/pr44119.c -O3 -fomit-frame-pointer
-funroll-all-loops -finline-functions (test for excess errors)
FAIL: gcc.c-torture/compile/pr44119.c -O3 -g (internal compiler error)
FAIL: gcc.c-torture/compile/pr44119.c -O3 -g (test for excess errors)
FAIL: gcc.c-torture/compile/pr44119.c -Os (internal compiler error)
FAIL: gcc.c-torture/compile/pr44119.c -Os (test for excess errors)
FAIL: gcc.c-torture/compile/pr44119.c -O2 -flto -fno-use-linker-plugin
-flto-partition=none (internal compiler error)
FAIL: gcc.c-torture/compile/pr44119.c -O2 -flto -fno-use-linker-plugin
-flto-partition=none (test for excess errors)
FAIL: gcc.c-torture/compile/pr44119.c -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects (internal compiler error)
FAIL: gcc.c-torture/compile/pr44119.c -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects (test for excess errors)
The messages in gcc.log are similar:
Executing on host: /tmp/hpautotest-gcc0/cris-elf/gccobj/gcc/xgcc
-B/tmp/hpautotest-gcc0/cris-elf/gccobj/gcc/ -fno-diagnostics-show-caret -O1
-w -c -isystem
/tmp/hpautotest-gcc0/cris-elf/gccobj/cris-elf/./newlib/targ-include -isystem
/tmp/hpautotest-gcc0/gcc/newlib/libc/include -o pr44119.o
/tmp/hpautotest-gcc0/gcc/gcc/testsuite/gcc.c-torture/compile/pr44119.c
(timeout = 300)
/tmp/hpautotest-gcc0/gcc/gcc/testsuite/gcc.c-torture/compile/pr44119.c: In
function 'func_96':
/tmp/hpautotest-gcc0/gcc/gcc/testsuite/gcc.c-torture/compile/pr44119.c:45:1:
internal compiler error: Floating point exception
0x84ab35 crash_signal
/tmp/hpautotest-gcc0/gcc/gcc/toplev.c:333
0x7d4bbf predict_loops
/tmp/hpautotest-gcc0/gcc/gcc/predict.c:1524
0x7d67b4 tree_estimate_probability()
/tmp/hpautotest-gcc0/gcc/gcc/predict.c:2259
0x7d75d4 tree_estimate_probability_driver
/tmp/hpautotest-gcc0/gcc/gcc/predict.c:2296
Author of only suspect patch in revision range CC:ed.
