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* [Bug tree-optimization/97238] New: [11 Regression] ICE: SIGSEGV in gimple_assign_rhs_code (gimple.h:2797) with -O @ 2020-09-29 10:44 zsojka at seznam dot cz 2020-09-29 11:34 ` [Bug tree-optimization/97238] [11 Regression] ICE: SIGSEGV in gimple_assign_rhs_code (gimple.h:2797) with -O since r11-2577 jakub at gcc dot gnu.org ` (4 more replies) 0 siblings, 5 replies; 6+ messages in thread From: zsojka at seznam dot cz @ 2020-09-29 10:44 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97238 Bug ID: 97238 Summary: [11 Regression] ICE: SIGSEGV in gimple_assign_rhs_code (gimple.h:2797) with -O Product: gcc Version: 11.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Created attachment 49284 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49284&action=edit reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc -O testcase.c -wrapper valgrind,-q ==31466== Invalid read of size 2 ==31466== at 0x750E2C: gimple_assign_rhs_code (gimple.h:2797) ==31466== by 0x750E2C: ovce_extract_ops(tree_node*, gassign**, bool*, tree_node**, tree_node**, tree_node**, gassign**) [clone .part.0] [clone .isra.0] [clone .cold] (tree-ssa-reassoc.c:3914) ==31466== by 0x119A493: ovce_extract_ops (tree-ssa-reassoc.c:3893) ==31466== by 0x119A493: optimize_vec_cond_expr (tree-ssa-reassoc.c:3970) ==31466== by 0x119A493: reassociate_bb(basic_block_def*) (tree-ssa-reassoc.c:6465) ==31466== by 0x1199DE8: reassociate_bb(basic_block_def*) (tree-ssa-reassoc.c:6606) ==31466== by 0x119C25E: do_reassoc (tree-ssa-reassoc.c:6718) ==31466== by 0x119C25E: execute_reassoc (tree-ssa-reassoc.c:6805) ==31466== by 0x119C25E: (anonymous namespace)::pass_reassoc::execute(function*) (tree-ssa-reassoc.c:6844) ==31466== by 0xEFBDF7: execute_one_pass(opt_pass*) (passes.c:2509) ==31466== by 0xEFC76F: execute_pass_list_1(opt_pass*) (passes.c:2597) ==31466== by 0xEFC781: execute_pass_list_1(opt_pass*) (passes.c:2598) ==31466== by 0xEFC7A8: execute_pass_list(function*, opt_pass*) (passes.c:2608) ==31466== by 0xB88B8B: cgraph_node::expand() (cgraphunit.c:2309) ==31466== by 0xB8A0EF: expand_all_functions (cgraphunit.c:2480) ==31466== by 0xB8A0EF: symbol_table::compile() [clone .part.0] (cgraphunit.c:2843) ==31466== by 0xB8C522: compile (cgraphunit.c:2756) ==31466== by 0xB8C522: symbol_table::finalize_compilation_unit() (cgraphunit.c:3021) ==31466== by 0xFF2AC9: compile_file() (toplev.c:484) ==31466== Address 0x2 is not stack'd, malloc'd or (recently) free'd ==31466== during GIMPLE pass: reassoc testcase.c: In function 'foo': testcase.c:6:1: internal compiler error: Segmentation fault 6 | foo (void) | ^~~ 0x4fd9cfa __libc_start_main ???:0 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions. $ x86_64-pc-linux-gnu-gcc -v Using built-in specs. COLLECT_GCC=/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-gcc COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r11-3519-20200929092607-ge46858e4eee-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/11.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++ --enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra --with-cloog --with-ppl --with-isl --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --target=x86_64-pc-linux-gnu --with-ld=/usr/bin/x86_64-pc-linux-gnu-ld --with-as=/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch --prefix=/repo/gcc-trunk//binary-trunk-r11-3519-20200929092607-ge46858e4eee-checking-yes-rtl-df-extra-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 11.0.0 20200929 (experimental) (GCC) ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/97238] [11 Regression] ICE: SIGSEGV in gimple_assign_rhs_code (gimple.h:2797) with -O since r11-2577 2020-09-29 10:44 [Bug tree-optimization/97238] New: [11 Regression] ICE: SIGSEGV in gimple_assign_rhs_code (gimple.h:2797) with -O zsojka at seznam dot cz @ 2020-09-29 11:34 ` jakub at gcc dot gnu.org 2020-09-29 11:48 ` rguenth at gcc dot gnu.org ` (3 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: jakub at gcc dot gnu.org @ 2020-09-29 11:34 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97238 Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|--- |11.0 Last reconfirmed| |2020-09-29 Summary|[11 Regression] ICE: |[11 Regression] ICE: |SIGSEGV in |SIGSEGV in |gimple_assign_rhs_code |gimple_assign_rhs_code |(gimple.h:2797) with -O |(gimple.h:2797) with -O | |since r11-2577 Status|UNCONFIRMED |NEW CC| |jakub at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Started with r11-2577-g229752afe3156a3990dacaedb94c76846cebf132 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/97238] [11 Regression] ICE: SIGSEGV in gimple_assign_rhs_code (gimple.h:2797) with -O since r11-2577 2020-09-29 10:44 [Bug tree-optimization/97238] New: [11 Regression] ICE: SIGSEGV in gimple_assign_rhs_code (gimple.h:2797) with -O zsojka at seznam dot cz 2020-09-29 11:34 ` [Bug tree-optimization/97238] [11 Regression] ICE: SIGSEGV in gimple_assign_rhs_code (gimple.h:2797) with -O since r11-2577 jakub at gcc dot gnu.org @ 2020-09-29 11:48 ` rguenth at gcc dot gnu.org 2020-09-29 11:50 ` jakub at gcc dot gnu.org ` (2 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: rguenth at gcc dot gnu.org @ 2020-09-29 11:48 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97238 Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org Status|NEW |ASSIGNED --- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> --- 3912 gassign *assign = dyn_cast<gassign *> (SSA_NAME_DEF_STMT (cond)); 3913 if (stmt == NULL 3914 || TREE_CODE_CLASS (gimple_assign_rhs_code (assign)) != tcc_comparison) 3915 return ERROR_MARK; typo, should be assign == NULL. ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/97238] [11 Regression] ICE: SIGSEGV in gimple_assign_rhs_code (gimple.h:2797) with -O since r11-2577 2020-09-29 10:44 [Bug tree-optimization/97238] New: [11 Regression] ICE: SIGSEGV in gimple_assign_rhs_code (gimple.h:2797) with -O zsojka at seznam dot cz 2020-09-29 11:34 ` [Bug tree-optimization/97238] [11 Regression] ICE: SIGSEGV in gimple_assign_rhs_code (gimple.h:2797) with -O since r11-2577 jakub at gcc dot gnu.org 2020-09-29 11:48 ` rguenth at gcc dot gnu.org @ 2020-09-29 11:50 ` jakub at gcc dot gnu.org 2020-09-29 12:40 ` cvs-commit at gcc dot gnu.org 2020-09-29 12:40 ` rguenth at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: jakub at gcc dot gnu.org @ 2020-09-29 11:50 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97238 --- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Yeah, just came to the same conclusion ;) ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/97238] [11 Regression] ICE: SIGSEGV in gimple_assign_rhs_code (gimple.h:2797) with -O since r11-2577 2020-09-29 10:44 [Bug tree-optimization/97238] New: [11 Regression] ICE: SIGSEGV in gimple_assign_rhs_code (gimple.h:2797) with -O zsojka at seznam dot cz ` (2 preceding siblings ...) 2020-09-29 11:50 ` jakub at gcc dot gnu.org @ 2020-09-29 12:40 ` cvs-commit at gcc dot gnu.org 2020-09-29 12:40 ` rguenth at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: cvs-commit at gcc dot gnu.org @ 2020-09-29 12:40 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97238 --- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Richard Biener <rguenth@gcc.gnu.org>: https://gcc.gnu.org/g:29aef377d814bd342dd5a306f99e0d614623ce0e commit r11-3524-g29aef377d814bd342dd5a306f99e0d614623ce0e Author: Richard Biener <rguenther@suse.de> Date: Tue Sep 29 14:38:06 2020 +0200 tree-optimization/97238 - fix typo causing ICE This fixes a typo causing a NULL dereference. 2020-09-29 Richard Biener <rguenther@suse.de> PR tree-optimization/97238 * tree-ssa-reassoc.c (ovce_extract_ops): Fix typo. * gcc.dg/pr97238.c: New testcase. ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug tree-optimization/97238] [11 Regression] ICE: SIGSEGV in gimple_assign_rhs_code (gimple.h:2797) with -O since r11-2577 2020-09-29 10:44 [Bug tree-optimization/97238] New: [11 Regression] ICE: SIGSEGV in gimple_assign_rhs_code (gimple.h:2797) with -O zsojka at seznam dot cz ` (3 preceding siblings ...) 2020-09-29 12:40 ` cvs-commit at gcc dot gnu.org @ 2020-09-29 12:40 ` rguenth at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: rguenth at gcc dot gnu.org @ 2020-09-29 12:40 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97238 Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |FIXED Status|ASSIGNED |RESOLVED --- 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:[~2020-09-29 12:40 UTC | newest] Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2020-09-29 10:44 [Bug tree-optimization/97238] New: [11 Regression] ICE: SIGSEGV in gimple_assign_rhs_code (gimple.h:2797) with -O zsojka at seznam dot cz 2020-09-29 11:34 ` [Bug tree-optimization/97238] [11 Regression] ICE: SIGSEGV in gimple_assign_rhs_code (gimple.h:2797) with -O since r11-2577 jakub at gcc dot gnu.org 2020-09-29 11:48 ` rguenth at gcc dot gnu.org 2020-09-29 11:50 ` jakub at gcc dot gnu.org 2020-09-29 12:40 ` cvs-commit at gcc dot gnu.org 2020-09-29 12:40 ` rguenth at gcc dot gnu.org
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