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* [Bug c/67107] New: [6 Regression] ICE: SIGSEGV in tree_class_check with -frounding-math -funsafe-math-optimizations
@ 2015-08-03 20:23 zsojka at seznam dot cz
2015-08-04 12:21 ` [Bug c/67107] " mpolacek at gcc dot gnu.org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: zsojka at seznam dot cz @ 2015-08-03 20:23 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67107
Bug ID: 67107
Summary: [6 Regression] ICE: SIGSEGV in tree_class_check with
-frounding-math -funsafe-math-optimizations
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Target Milestone: ---
Created attachment 36115
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36115&action=edit
reduced testcase
Compiler output:
$ gcc -frounding-math -funsafe-math-optimizations testcase.c
testcase.c: In function 'test':
testcase.c:3:3: internal compiler error: Segmentation fault
return 5.0 < 5.0 - 0.1;
^
0xc19cdf crash_signal
/mnt/svn/gcc-trunk/gcc/toplev.c:352
0x9845d6 tree_class_check(tree_node*, tree_code_class, char const*, int, char
const*)
/mnt/svn/gcc-trunk/gcc/tree.h:2980
0x9845d6 generic_simplify_GT_EXPR
/home/smatz/build-226486-lto-fortran-checking-yes-rtl-df/gcc/generic-match.c:18582
0x990dfd generic_simplify(unsigned int, tree_code, tree_node*, tree_node*,
tree_node*)
/home/smatz/build-226486-lto-fortran-checking-yes-rtl-df/gcc/generic-match.c:34963
0x85073e fold_binary_loc(unsigned int, tree_code, tree_node*, tree_node*,
tree_node*)
/mnt/svn/gcc-trunk/gcc/fold-const.c:9108
0x85d67a fold_build2_stat_loc(unsigned int, tree_code, tree_node*, tree_node*,
tree_node*)
/mnt/svn/gcc-trunk/gcc/fold-const.c:12781
0x66d093 c_fully_fold_internal
/mnt/svn/gcc-trunk/gcc/c-family/c-common.c:1361
0x66e1e5 c_fully_fold(tree_node*, bool, bool*)
/mnt/svn/gcc-trunk/gcc/c-family/c-common.c:1144
0x5e762c c_finish_return(unsigned int, tree_node*, tree_node*)
/mnt/svn/gcc-trunk/gcc/c/c-typeck.c:9379
0x62332e c_parser_statement_after_labels
/mnt/svn/gcc-trunk/gcc/c/c-parser.c:5042
0x6248d5 c_parser_compound_statement_nostart
/mnt/svn/gcc-trunk/gcc/c/c-parser.c:4696
0x62511e c_parser_compound_statement
/mnt/svn/gcc-trunk/gcc/c/c-parser.c:4533
0x620f67 c_parser_declaration_or_fndef
/mnt/svn/gcc-trunk/gcc/c/c-parser.c:1966
0x62b297 c_parser_external_declaration
/mnt/svn/gcc-trunk/gcc/c/c-parser.c:1436
0x62bb59 c_parser_translation_unit
/mnt/svn/gcc-trunk/gcc/c/c-parser.c:1323
0x62bb59 c_parse_file()
/mnt/svn/gcc-trunk/gcc/c/c-parser.c:15449
0x6875b2 c_common_parse_file()
/mnt/svn/gcc-trunk/gcc/c-family/c-opts.c:1058
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
$ gcc -v
Using built-in specs.
COLLECT_GCC=/mnt/svn/gcc-trunk/binary-latest/bin/gcc
COLLECT_LTO_WRAPPER=/mnt/svn/gcc-trunk/binary-226486-lto-fortran-checking-yes-rtl-df/libexec/gcc/x86_64-pc-linux-gnu/6.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /mnt/svn/gcc-trunk//configure --enable-checking=yes,rtl,df
--enable-languages=c,c++,lto,fortran
--prefix=/mnt/svn/gcc-trunk/binary-226486-lto-fortran-checking-yes-rtl-df/
--without-cloog --without-ppl --without-isl
Thread model: posix
gcc version 6.0.0 20150803 (experimental) (GCC)
Tested revisions:
r226486 - ICE
gcc-5-branch r225803 - OK
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c/67107] [6 Regression] ICE: SIGSEGV in tree_class_check with -frounding-math -funsafe-math-optimizations
2015-08-03 20:23 [Bug c/67107] New: [6 Regression] ICE: SIGSEGV in tree_class_check with -frounding-math -funsafe-math-optimizations zsojka at seznam dot cz
2015-08-04 12:21 ` [Bug c/67107] " mpolacek at gcc dot gnu.org
@ 2015-08-04 12:21 ` mpolacek at gcc dot gnu.org
2015-08-04 13:06 ` rguenth at gcc dot gnu.org
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2015-08-04 12:21 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67107
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |mpolacek at gcc dot gnu.org
Target Milestone|--- |6.0
--- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Confirmed, started with r225375.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c/67107] [6 Regression] ICE: SIGSEGV in tree_class_check with -frounding-math -funsafe-math-optimizations
2015-08-03 20:23 [Bug c/67107] New: [6 Regression] ICE: SIGSEGV in tree_class_check with -frounding-math -funsafe-math-optimizations zsojka at seznam dot cz
@ 2015-08-04 12:21 ` mpolacek at gcc dot gnu.org
2015-08-04 12:21 ` mpolacek at gcc dot gnu.org
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2015-08-04 12:21 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67107
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2015-08-04
Ever confirmed|0 |1
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c/67107] [6 Regression] ICE: SIGSEGV in tree_class_check with -frounding-math -funsafe-math-optimizations
2015-08-03 20:23 [Bug c/67107] New: [6 Regression] ICE: SIGSEGV in tree_class_check with -frounding-math -funsafe-math-optimizations zsojka at seznam dot cz
2015-08-04 12:21 ` [Bug c/67107] " mpolacek at gcc dot gnu.org
2015-08-04 12:21 ` mpolacek at gcc dot gnu.org
@ 2015-08-04 13:06 ` rguenth at gcc dot gnu.org
2015-08-05 7:43 ` rguenth at gcc dot gnu.org
2015-08-05 8:01 ` rguenth at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2015-08-04 13:06 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67107
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Mine.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c/67107] [6 Regression] ICE: SIGSEGV in tree_class_check with -frounding-math -funsafe-math-optimizations
2015-08-03 20:23 [Bug c/67107] New: [6 Regression] ICE: SIGSEGV in tree_class_check with -frounding-math -funsafe-math-optimizations zsojka at seznam dot cz
` (2 preceding siblings ...)
2015-08-04 13:06 ` rguenth at gcc dot gnu.org
@ 2015-08-05 7:43 ` rguenth at gcc dot gnu.org
2015-08-05 8:01 ` rguenth at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2015-08-05 7:43 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67107
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Wed Aug 5 07:42:54 2015
New Revision: 226609
URL: https://gcc.gnu.org/viewcvs?rev=226609&root=gcc&view=rev
Log:
2015-08-05 Richard Biener <rguenther@suse.de>
PR middle-end/67107
* match.pd: Guard const_binop result checking against NULL_TREE
result.
* gcc.dg/pr67107.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/pr67107.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/match.pd
trunk/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c/67107] [6 Regression] ICE: SIGSEGV in tree_class_check with -frounding-math -funsafe-math-optimizations
2015-08-03 20:23 [Bug c/67107] New: [6 Regression] ICE: SIGSEGV in tree_class_check with -frounding-math -funsafe-math-optimizations zsojka at seznam dot cz
` (3 preceding siblings ...)
2015-08-05 7:43 ` rguenth at gcc dot gnu.org
@ 2015-08-05 8:01 ` rguenth at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2015-08-05 8:01 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67107
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed.
^ permalink raw reply [flat|nested] 6+ messages in thread
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2015-08-03 20:23 [Bug c/67107] New: [6 Regression] ICE: SIGSEGV in tree_class_check with -frounding-math -funsafe-math-optimizations zsojka at seznam dot cz
2015-08-04 12:21 ` [Bug c/67107] " mpolacek at gcc dot gnu.org
2015-08-04 12:21 ` mpolacek at gcc dot gnu.org
2015-08-04 13:06 ` rguenth at gcc dot gnu.org
2015-08-05 7:43 ` rguenth at gcc dot gnu.org
2015-08-05 8:01 ` rguenth at gcc dot gnu.org
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