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* [Bug tree-optimization/52095] New: [4.7 regression] ICE compiling gcc.dg/sms-7.c: SEGV in fprintf @ 2012-02-02 16:19 ro at gcc dot gnu.org 2012-02-03 10:13 ` [Bug tree-optimization/52095] " rguenth at gcc dot gnu.org ` (5 more replies) 0 siblings, 6 replies; 7+ messages in thread From: ro at gcc dot gnu.org @ 2012-02-02 16:19 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52095 Bug #: 52095 Summary: [4.7 regression] ICE compiling gcc.dg/sms-7.c: SEGV in fprintf Classification: Unclassified Product: gcc Version: 4.7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassigned@gcc.gnu.org ReportedBy: ro@gcc.gnu.org Host: i386-pc-solaris2.10 Target: i386-pc-solaris2.10 Build: i386-pc-solaris2.10 Since 20111213, gcc.dg/sms-7.c FAILs on Solaris 10/x86, both 32 and 64-bit: FAIL: gcc.dg/sms-7.c (internal compiler error) FAIL: gcc.dg/sms-7.c (test for excess errors) WARNING: gcc.dg/sms-7.c compilation failed to produce executable Running cc1 $ cc1 -fpreprocessed sms-7.i -quiet -mtune=generic -march=pentium4 -O3 -fmodulo-sched -fstrict-aliasing -fdump-rtl-sms -fmodulo-sched-allow-regmoves --param sms-min-sc=1 -o sms-7.s gives: /vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/sms-7.c: In function 'main': /vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/sms-7.c:45:1: internal compiler error: Segmentation Fault With gdb, I find: Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 1 (LWP 1)] 0xfee063dc in strlen () from /lib/libc.so.1 (gdb) where #0 0xfee063dc in strlen () from /lib/libc.so.1 #1 0xfee6169a in _ndoprnt () from /lib/libc.so.1 #2 0xfee64229 in fprintf () from /lib/libc.so.1 #3 0x088689b0 in sms_schedule () at /vol/gcc/src/hg/trunk/local/gcc/modulo-sched.c:1414 #4 rest_of_handle_sms () at /vol/gcc/src/hg/trunk/local/gcc/modulo-sched.c:3338 #5 0x083bb744 in execute_one_pass (pass=pass@entry=0x8d82be0) at /vol/gcc/src/hg/trunk/local/gcc/passes.c:2081 #6 0x083bba9d in execute_pass_list (pass=0x8d82be0) at /vol/gcc/src/hg/trunk/local/gcc/passes.c:2136 #7 0x083bbab0 in execute_pass_list (pass=0x8d7f0a0) at /vol/gcc/src/hg/trunk/local/gcc/passes.c:2137 #8 0x08497e86 in tree_rest_of_compilation (fndecl=0xfeaaa780) at /vol/gcc/src/hg/trunk/local/gcc/tree-optimize.c:422 #9 0x0822ff07 in cgraph_expand_function (node=0xfea0e47c) at /vol/gcc/src/hg/trunk/local/gcc/cgraphunit.c:1819 #10 0x08231795 in cgraph_expand_all_functions () at /vol/gcc/src/hg/trunk/local/gcc/cgraphunit.c:1886 #11 cgraph_optimize () at /vol/gcc/src/hg/trunk/local/gcc/cgraphunit.c:2200 #12 0x08231cbf in cgraph_finalize_compilation_unit () at /vol/gcc/src/hg/trunk/local/gcc/cgraphunit.c:1328 #13 0x0816dc1c in c_write_global_declarations () at /vol/gcc/src/hg/trunk/local/gcc/c-decl.c:10030 #14 0x0845241b in compile_file () at /vol/gcc/src/hg/trunk/local/gcc/toplev.c:573 #15 do_compile () at /vol/gcc/src/hg/trunk/local/gcc/toplev.c:1938 #16 toplev_main (argc=15, argv=0x80474c0) at /vol/gcc/src/hg/trunk/local/gcc/toplev.c:2014 #17 0x08af940b in main (argc=15, argv=0x80474c0) at /vol/gcc/src/hg/trunk/local/gcc/main.c:36 It turns out that sms_schedule calls fprintf with a NULL ptr since insn_file(insn) is NULL at this point. This is a regression from 4.6. Rainer ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/52095] [4.7 regression] ICE compiling gcc.dg/sms-7.c: SEGV in fprintf 2012-02-02 16:19 [Bug tree-optimization/52095] New: [4.7 regression] ICE compiling gcc.dg/sms-7.c: SEGV in fprintf ro at gcc dot gnu.org @ 2012-02-03 10:13 ` rguenth at gcc dot gnu.org 2012-02-03 12:49 ` [Bug rtl-optimization/52095] " jakub at gcc dot gnu.org ` (4 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: rguenth at gcc dot gnu.org @ 2012-02-03 10:13 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52095 Richard Guenther <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|--- |4.7.0 ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug rtl-optimization/52095] [4.7 regression] ICE compiling gcc.dg/sms-7.c: SEGV in fprintf 2012-02-02 16:19 [Bug tree-optimization/52095] New: [4.7 regression] ICE compiling gcc.dg/sms-7.c: SEGV in fprintf ro at gcc dot gnu.org 2012-02-03 10:13 ` [Bug tree-optimization/52095] " rguenth at gcc dot gnu.org @ 2012-02-03 12:49 ` jakub at gcc dot gnu.org 2012-02-03 12:51 ` jakub at gcc dot gnu.org ` (3 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: jakub at gcc dot gnu.org @ 2012-02-03 12:49 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52095 Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2012-02-03 CC| |jakub at gcc dot gnu.org Component|tree-optimization |rtl-optimization AssignedTo|unassigned at gcc dot |jakub at gcc dot gnu.org |gnu.org | Ever Confirmed|0 |1 ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug rtl-optimization/52095] [4.7 regression] ICE compiling gcc.dg/sms-7.c: SEGV in fprintf 2012-02-02 16:19 [Bug tree-optimization/52095] New: [4.7 regression] ICE compiling gcc.dg/sms-7.c: SEGV in fprintf ro at gcc dot gnu.org 2012-02-03 10:13 ` [Bug tree-optimization/52095] " rguenth at gcc dot gnu.org 2012-02-03 12:49 ` [Bug rtl-optimization/52095] " jakub at gcc dot gnu.org @ 2012-02-03 12:51 ` jakub at gcc dot gnu.org 2012-02-03 13:07 ` ro at CeBiTec dot Uni-Bielefeld.DE ` (2 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: jakub at gcc dot gnu.org @ 2012-02-03 12:51 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52095 --- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-02-03 12:50:33 UTC --- Created attachment 26562 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26562 gcc47-pr52095.patch Untested fix. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug rtl-optimization/52095] [4.7 regression] ICE compiling gcc.dg/sms-7.c: SEGV in fprintf 2012-02-02 16:19 [Bug tree-optimization/52095] New: [4.7 regression] ICE compiling gcc.dg/sms-7.c: SEGV in fprintf ro at gcc dot gnu.org ` (2 preceding siblings ...) 2012-02-03 12:51 ` jakub at gcc dot gnu.org @ 2012-02-03 13:07 ` ro at CeBiTec dot Uni-Bielefeld.DE 2012-02-04 16:51 ` jakub at gcc dot gnu.org 2012-02-04 16:52 ` jakub at gcc dot gnu.org 5 siblings, 0 replies; 7+ messages in thread From: ro at CeBiTec dot Uni-Bielefeld.DE @ 2012-02-03 13:07 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52095 --- Comment #2 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> 2012-02-03 13:06:19 UTC --- > --- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-02-03 12:50:33 UTC --- > Untested fix. I've just re-built cc1 with the patch and re-run the gcc.dg/sms-7.c test: passes for both 32 and 64-bit now. Thanks. Rainer ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug rtl-optimization/52095] [4.7 regression] ICE compiling gcc.dg/sms-7.c: SEGV in fprintf 2012-02-02 16:19 [Bug tree-optimization/52095] New: [4.7 regression] ICE compiling gcc.dg/sms-7.c: SEGV in fprintf ro at gcc dot gnu.org ` (3 preceding siblings ...) 2012-02-03 13:07 ` ro at CeBiTec dot Uni-Bielefeld.DE @ 2012-02-04 16:51 ` jakub at gcc dot gnu.org 2012-02-04 16:52 ` jakub at gcc dot gnu.org 5 siblings, 0 replies; 7+ messages in thread From: jakub at gcc dot gnu.org @ 2012-02-04 16:51 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52095 --- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-02-04 16:51:37 UTC --- Author: jakub Date: Sat Feb 4 16:51:31 2012 New Revision: 183895 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=183895 Log: PR rtl-optimization/52095 * modulo-sched.c (dump_insn_locator): New function. (loop_canon_p, sms_schedule): Use it. Modified: trunk/gcc/ChangeLog trunk/gcc/modulo-sched.c ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug rtl-optimization/52095] [4.7 regression] ICE compiling gcc.dg/sms-7.c: SEGV in fprintf 2012-02-02 16:19 [Bug tree-optimization/52095] New: [4.7 regression] ICE compiling gcc.dg/sms-7.c: SEGV in fprintf ro at gcc dot gnu.org ` (4 preceding siblings ...) 2012-02-04 16:51 ` jakub at gcc dot gnu.org @ 2012-02-04 16:52 ` jakub at gcc dot gnu.org 5 siblings, 0 replies; 7+ messages in thread From: jakub at gcc dot gnu.org @ 2012-02-04 16:52 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52095 Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution| |FIXED --- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-02-04 16:52:26 UTC --- Fixed. ^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2012-02-04 16:52 UTC | newest] Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2012-02-02 16:19 [Bug tree-optimization/52095] New: [4.7 regression] ICE compiling gcc.dg/sms-7.c: SEGV in fprintf ro at gcc dot gnu.org 2012-02-03 10:13 ` [Bug tree-optimization/52095] " rguenth at gcc dot gnu.org 2012-02-03 12:49 ` [Bug rtl-optimization/52095] " jakub at gcc dot gnu.org 2012-02-03 12:51 ` jakub at gcc dot gnu.org 2012-02-03 13:07 ` ro at CeBiTec dot Uni-Bielefeld.DE 2012-02-04 16:51 ` jakub at gcc dot gnu.org 2012-02-04 16:52 ` jakub at gcc dot gnu.org
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