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* [Bug tree-optimization/60891] New: [4.9/4.10 Regression] ICE: SIGSEGV (Invalid write/read) in pre_and_rev_post_order_compute_fn with -O -fno-tree-ch -fno-tree-cselim -fno-tree-dominator-opts @ 2014-04-18 19:01 zsojka at seznam dot cz 2014-04-22 8:59 ` [Bug tree-optimization/60891] " rguenth at gcc dot gnu.org ` (4 more replies) 0 siblings, 5 replies; 6+ messages in thread From: zsojka at seznam dot cz @ 2014-04-18 19:01 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60891 Bug ID: 60891 Summary: [4.9/4.10 Regression] ICE: SIGSEGV (Invalid write/read) in pre_and_rev_post_order_compute_fn with -O -fno-tree-ch -fno-tree-cselim -fno-tree-dominator-opts Product: gcc Version: 4.10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Created attachment 32633 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32633&action=edit reduced testcase Compiler output (under valgrind): $ gcc -O -fno-tree-ch -fno-tree-cselim -fno-tree-dominator-opts testcase.c ==2497== Invalid write of size 4 ==2497== at 0x7464DF: pre_and_rev_post_order_compute_fn(function*, int*, int*, bool) (cfganal.c:981) ==2497== by 0x7465F7: pre_and_rev_post_order_compute(int*, int*, bool) (cfganal.c:1014) ==2497== by 0xC9FBE7: (anonymous namespace)::pass_reassoc::execute() (tree-ssa-reassoc.c:4632) ==2497== by 0xA49D49: execute_one_pass(opt_pass*) (passes.c:2229) ==2497== by 0xA49FE5: execute_pass_list(opt_pass*) (passes.c:2282) ==2497== by 0xA49FF7: execute_pass_list(opt_pass*) (passes.c:2283) ==2497== by 0x786448: expand_function(cgraph_node*) (cgraphunit.c:1774) ==2497== by 0x78842B: compile() (cgraphunit.c:1908) ==2497== by 0x788B94: finalize_compilation_unit() (cgraphunit.c:2329) ==2497== by 0x63C8B3: c_write_global_declarations() (c-decl.c:10401) ==2497== by 0xB3E69C: compile_file() (toplev.c:562) ==2497== by 0xB4066F: toplev_main(int, char**) (toplev.c:1914) ==2497== by 0x5A46BF4: (below main) (in /lib64/libc-2.17.so) ==2497== Address 0x610ecb8 is 0 bytes after a block of size 40 alloc'd ==2497== at 0x4C2C820: malloc (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so) ==2497== by 0x143DA37: xmalloc (xmalloc.c:147) ==2497== by 0xC9FB88: (anonymous namespace)::pass_reassoc::execute() (tree-ssa-reassoc.c:4618) ==2497== by 0xA49D49: execute_one_pass(opt_pass*) (passes.c:2229) ==2497== by 0xA49FE5: execute_pass_list(opt_pass*) (passes.c:2282) ==2497== by 0xA49FF7: execute_pass_list(opt_pass*) (passes.c:2283) ==2497== by 0x786448: expand_function(cgraph_node*) (cgraphunit.c:1774) ==2497== by 0x78842B: compile() (cgraphunit.c:1908) ==2497== by 0x788B94: finalize_compilation_unit() (cgraphunit.c:2329) ==2497== by 0x63C8B3: c_write_global_declarations() (c-decl.c:10401) ==2497== by 0xB3E69C: compile_file() (toplev.c:562) ==2497== by 0xB4066F: toplev_main(int, char**) (toplev.c:1914) ==2497== by 0x5A46BF4: (below main) (in /lib64/libc-2.17.so) ==2497== ==2497== Invalid read of size 4 ==2497== at 0xC9FCE6: (anonymous namespace)::pass_reassoc::execute() (tree-ssa-reassoc.c:4648) ==2497== by 0xA49D49: execute_one_pass(opt_pass*) (passes.c:2229) ==2497== by 0xA49FE5: execute_pass_list(opt_pass*) (passes.c:2282) ==2497== by 0xA49FF7: execute_pass_list(opt_pass*) (passes.c:2283) ==2497== by 0x786448: expand_function(cgraph_node*) (cgraphunit.c:1774) ==2497== by 0x78842B: compile() (cgraphunit.c:1908) ==2497== by 0x788B94: finalize_compilation_unit() (cgraphunit.c:2329) ==2497== by 0x63C8B3: c_write_global_declarations() (c-decl.c:10401) ==2497== by 0xB3E69C: compile_file() (toplev.c:562) ==2497== by 0xB4066F: toplev_main(int, char**) (toplev.c:1914) ==2497== by 0x5A46BF4: (below main) (in /lib64/libc-2.17.so) ==2497== Address 0x610ecb8 is 0 bytes after a block of size 40 alloc'd ==2497== at 0x4C2C820: malloc (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so) ==2497== by 0x143DA37: xmalloc (xmalloc.c:147) ==2497== by 0xC9FB88: (anonymous namespace)::pass_reassoc::execute() (tree-ssa-reassoc.c:4618) ==2497== by 0xA49D49: execute_one_pass(opt_pass*) (passes.c:2229) ==2497== by 0xA49FE5: execute_pass_list(opt_pass*) (passes.c:2282) ==2497== by 0xA49FF7: execute_pass_list(opt_pass*) (passes.c:2283) ==2497== by 0x786448: expand_function(cgraph_node*) (cgraphunit.c:1774) ==2497== by 0x78842B: compile() (cgraphunit.c:1908) ==2497== by 0x788B94: finalize_compilation_unit() (cgraphunit.c:2329) ==2497== by 0x63C8B3: c_write_global_declarations() (c-decl.c:10401) ==2497== by 0xB3E69C: compile_file() (toplev.c:562) ==2497== by 0xB4066F: toplev_main(int, char**) (toplev.c:1914) ==2497== by 0x5A46BF4: (below main) (in /lib64/libc-2.17.so) ==2497== ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/60891] [4.9/4.10 Regression] ICE: SIGSEGV (Invalid write/read) in pre_and_rev_post_order_compute_fn with -O -fno-tree-ch -fno-tree-cselim -fno-tree-dominator-opts 2014-04-18 19:01 [Bug tree-optimization/60891] New: [4.9/4.10 Regression] ICE: SIGSEGV (Invalid write/read) in pre_and_rev_post_order_compute_fn with -O -fno-tree-ch -fno-tree-cselim -fno-tree-dominator-opts zsojka at seznam dot cz @ 2014-04-22 8:59 ` rguenth at gcc dot gnu.org 2014-04-22 11:53 ` rguenth at gcc dot gnu.org ` (3 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: rguenth at gcc dot gnu.org @ 2014-04-22 8:59 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60891 Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2014-04-22 Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org Target Milestone|--- |4.9.1 Ever confirmed|0 |1 --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- I'll have a look. ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/60891] [4.9/4.10 Regression] ICE: SIGSEGV (Invalid write/read) in pre_and_rev_post_order_compute_fn with -O -fno-tree-ch -fno-tree-cselim -fno-tree-dominator-opts 2014-04-18 19:01 [Bug tree-optimization/60891] New: [4.9/4.10 Regression] ICE: SIGSEGV (Invalid write/read) in pre_and_rev_post_order_compute_fn with -O -fno-tree-ch -fno-tree-cselim -fno-tree-dominator-opts zsojka at seznam dot cz 2014-04-22 8:59 ` [Bug tree-optimization/60891] " rguenth at gcc dot gnu.org @ 2014-04-22 11:53 ` rguenth at gcc dot gnu.org 2014-04-23 8:24 ` rguenth at gcc dot gnu.org ` (2 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: rguenth at gcc dot gnu.org @ 2014-04-22 11:53 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60891 --- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> --- loop_optimizer_init (AVOID_CFG_MODIFICATIONS); ends up adding a basic-block. Oops. I have a patch. ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/60891] [4.9/4.10 Regression] ICE: SIGSEGV (Invalid write/read) in pre_and_rev_post_order_compute_fn with -O -fno-tree-ch -fno-tree-cselim -fno-tree-dominator-opts 2014-04-18 19:01 [Bug tree-optimization/60891] New: [4.9/4.10 Regression] ICE: SIGSEGV (Invalid write/read) in pre_and_rev_post_order_compute_fn with -O -fno-tree-ch -fno-tree-cselim -fno-tree-dominator-opts zsojka at seznam dot cz 2014-04-22 8:59 ` [Bug tree-optimization/60891] " rguenth at gcc dot gnu.org 2014-04-22 11:53 ` rguenth at gcc dot gnu.org @ 2014-04-23 8:24 ` rguenth at gcc dot gnu.org 2014-04-23 8:26 ` rguenth at gcc dot gnu.org 2014-04-23 8:28 ` rguenth at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: rguenth at gcc dot gnu.org @ 2014-04-23 8:24 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60891 --- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Wed Apr 23 08:23:33 2014 New Revision: 209673 URL: http://gcc.gnu.org/viewcvs?rev=209673&root=gcc&view=rev Log: 2014-04-23 Richard Biener <rguenther@suse.de> PR middle-end/60891 * loop-init.c (loop_optimizer_init): Make sure to apply LOOPS_MAY_HAVE_MULTIPLE_LATCHES before fixing up loops. * gcc.dg/torture/pr60891.c: New testcase. Added: trunk/gcc/testsuite/gcc.dg/torture/pr60891.c Modified: trunk/gcc/ChangeLog trunk/gcc/loop-init.c trunk/gcc/testsuite/ChangeLog ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/60891] [4.9/4.10 Regression] ICE: SIGSEGV (Invalid write/read) in pre_and_rev_post_order_compute_fn with -O -fno-tree-ch -fno-tree-cselim -fno-tree-dominator-opts 2014-04-18 19:01 [Bug tree-optimization/60891] New: [4.9/4.10 Regression] ICE: SIGSEGV (Invalid write/read) in pre_and_rev_post_order_compute_fn with -O -fno-tree-ch -fno-tree-cselim -fno-tree-dominator-opts zsojka at seznam dot cz ` (2 preceding siblings ...) 2014-04-23 8:24 ` rguenth at gcc dot gnu.org @ 2014-04-23 8:26 ` rguenth at gcc dot gnu.org 2014-04-23 8:28 ` rguenth at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: rguenth at gcc dot gnu.org @ 2014-04-23 8:26 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60891 --- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Wed Apr 23 08:25:56 2014 New Revision: 209674 URL: http://gcc.gnu.org/viewcvs?rev=209674&root=gcc&view=rev Log: 2014-04-23 Richard Biener <rguenther@suse.de> PR middle-end/60891 * loop-init.c (loop_optimizer_init): Make sure to apply LOOPS_MAY_HAVE_MULTIPLE_LATCHES before fixing up loops. * gcc.dg/torture/pr60891.c: New testcase. Added: branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/torture/pr60891.c Modified: branches/gcc-4_9-branch/gcc/ChangeLog branches/gcc-4_9-branch/gcc/loop-init.c branches/gcc-4_9-branch/gcc/testsuite/ChangeLog ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/60891] [4.9/4.10 Regression] ICE: SIGSEGV (Invalid write/read) in pre_and_rev_post_order_compute_fn with -O -fno-tree-ch -fno-tree-cselim -fno-tree-dominator-opts 2014-04-18 19:01 [Bug tree-optimization/60891] New: [4.9/4.10 Regression] ICE: SIGSEGV (Invalid write/read) in pre_and_rev_post_order_compute_fn with -O -fno-tree-ch -fno-tree-cselim -fno-tree-dominator-opts zsojka at seznam dot cz ` (3 preceding siblings ...) 2014-04-23 8:26 ` rguenth at gcc dot gnu.org @ 2014-04-23 8:28 ` rguenth at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: rguenth at gcc dot gnu.org @ 2014-04-23 8:28 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60891 Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Known to work| |4.10.0, 4.9.1 Resolution|--- |FIXED Known to fail|4.10.0 | --- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> --- Fixed. ^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2014-04-23 8:28 UTC | newest] Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2014-04-18 19:01 [Bug tree-optimization/60891] New: [4.9/4.10 Regression] ICE: SIGSEGV (Invalid write/read) in pre_and_rev_post_order_compute_fn with -O -fno-tree-ch -fno-tree-cselim -fno-tree-dominator-opts zsojka at seznam dot cz 2014-04-22 8:59 ` [Bug tree-optimization/60891] " rguenth at gcc dot gnu.org 2014-04-22 11:53 ` rguenth at gcc dot gnu.org 2014-04-23 8:24 ` rguenth at gcc dot gnu.org 2014-04-23 8:26 ` rguenth at gcc dot gnu.org 2014-04-23 8:28 ` rguenth at gcc dot gnu.org
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