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* [Bug debug/100469] New: [11/12 Regression] -fcompare-debug failure (length) with -O2 -fno-tree-dse -fno-tree-forwprop -fno-tree-tail-merge --param=sccvn-max-alias-queries-per-access=0 @ 2021-05-07 10:52 zsojka at seznam dot cz 2021-05-07 10:57 ` [Bug debug/100469] " jakub at gcc dot gnu.org ` (3 more replies) 0 siblings, 4 replies; 5+ messages in thread From: zsojka at seznam dot cz @ 2021-05-07 10:52 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100469 Bug ID: 100469 Summary: [11/12 Regression] -fcompare-debug failure (length) with -O2 -fno-tree-dse -fno-tree-forwprop -fno-tree-tail-merge --param=sccvn-max-alias-queries-per-access=0 Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: debug Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz CC: aoliva at gcc dot gnu.org Target Milestone: --- Host: x86_64-pc-linux-gnu Created attachment 50773 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50773&action=edit auto-reduced testcase (from OpenTTD sources) Compiler output: $ x86_64-pc-linux-gnu-gcc -O2 -fno-tree-dse -fno-tree-forwprop -fno-tree-tail-merge --param=sccvn-max-alias-queries-per-access=0 -fcompare-debug testcase.C -save-temps x86_64-pc-linux-gnu-gcc: error: testcase.C: '-fcompare-debug' failure (length) $ diff a-testcase.C.gkd a-testcase.gk.C.gkd 13a14,15 > (note # 0 0 NOTE_INSN_DELETED) > (note # 0 0 NOTE_INSN_DELETED) 15,16c17,18 < (mem:DI (reg:DI 4 si [89]) [ MEM[(const struct S &)s_2(D)].m+0 S8 A64])) "testcase.C":6:11# {*movdi_internal} < (expr_list:REG_DEAD (reg:DI 4 si [89]) --- > (mem:DI (reg:DI 4 si [90]) [ MEM[(const struct S &)s_2(D)].m+0 S8 A64])) "testcase.C":6:11# {*movdi_internal} > (expr_list:REG_DEAD (reg:DI 4 si [90]) 19c21 < (set (reg:DI 2 cx [90]) --- > (set (reg:DI 2 cx [91]) 26c28 < (reg:DI 5 di [88])) "testcase.C":26:1# {*movdi_internal} --- > (reg:DI 5 di [89])) "testcase.C":26:1# {*movdi_internal} 36c38 < (reg:DI 2 cx [90]))) "testcase.C":21:32# {*movdicc_noc} --- > (reg:DI 2 cx [91]))) "testcase.C":21:32# {*movdicc_noc} 38c40 < (expr_list:REG_DEAD (reg:DI 2 cx [90]) --- > (expr_list:REG_DEAD (reg:DI 2 cx [91]) $ 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-r12-581-20210507001633-gcfe82a0cbe7-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/12.0.0/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-r12-581-20210507001633-gcfe82a0cbe7-checking-yes-rtl-df-extra-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 12.0.0 20210507 (experimental) (GCC) ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug debug/100469] [11/12 Regression] -fcompare-debug failure (length) with -O2 -fno-tree-dse -fno-tree-forwprop -fno-tree-tail-merge --param=sccvn-max-alias-queries-per-access=0 2021-05-07 10:52 [Bug debug/100469] New: [11/12 Regression] -fcompare-debug failure (length) with -O2 -fno-tree-dse -fno-tree-forwprop -fno-tree-tail-merge --param=sccvn-max-alias-queries-per-access=0 zsojka at seznam dot cz @ 2021-05-07 10:57 ` jakub at gcc dot gnu.org 2021-07-28 7:06 ` rguenth at gcc dot gnu.org ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: jakub at gcc dot gnu.org @ 2021-05-07 10:57 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100469 Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed| |2021-05-07 Target Milestone|--- |11.2 Ever confirmed|0 |1 Status|UNCONFIRMED |ASSIGNED Assignee|unassigned at gcc dot gnu.org |jakub at gcc dot gnu.org CC| |jakub at gcc dot gnu.org --- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Started with my r11-7448-gff92ede8d269375f800e1b347a48f4698874b4a3 I'll have a look. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug debug/100469] [11/12 Regression] -fcompare-debug failure (length) with -O2 -fno-tree-dse -fno-tree-forwprop -fno-tree-tail-merge --param=sccvn-max-alias-queries-per-access=0 2021-05-07 10:52 [Bug debug/100469] New: [11/12 Regression] -fcompare-debug failure (length) with -O2 -fno-tree-dse -fno-tree-forwprop -fno-tree-tail-merge --param=sccvn-max-alias-queries-per-access=0 zsojka at seznam dot cz 2021-05-07 10:57 ` [Bug debug/100469] " jakub at gcc dot gnu.org @ 2021-07-28 7:06 ` rguenth at gcc dot gnu.org 2021-11-15 13:49 ` cvs-commit at gcc dot gnu.org 2021-11-15 13:51 ` jakub at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: rguenth at gcc dot gnu.org @ 2021-07-28 7:06 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100469 Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|11.2 |11.3 --- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> --- GCC 11.2 is being released, retargeting bugs to GCC 11.3 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug debug/100469] [11/12 Regression] -fcompare-debug failure (length) with -O2 -fno-tree-dse -fno-tree-forwprop -fno-tree-tail-merge --param=sccvn-max-alias-queries-per-access=0 2021-05-07 10:52 [Bug debug/100469] New: [11/12 Regression] -fcompare-debug failure (length) with -O2 -fno-tree-dse -fno-tree-forwprop -fno-tree-tail-merge --param=sccvn-max-alias-queries-per-access=0 zsojka at seznam dot cz 2021-05-07 10:57 ` [Bug debug/100469] " jakub at gcc dot gnu.org 2021-07-28 7:06 ` rguenth at gcc dot gnu.org @ 2021-11-15 13:49 ` cvs-commit at gcc dot gnu.org 2021-11-15 13:51 ` jakub at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: cvs-commit at gcc dot gnu.org @ 2021-11-15 13:49 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100469 --- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Jakub Jelinek <jakub@gcc.gnu.org>: https://gcc.gnu.org/g:b2e1ac548594c5f482b6e9e9cfa25f9cc090bf84 commit r12-5272-gb2e1ac548594c5f482b6e9e9cfa25f9cc090bf84 Author: Jakub Jelinek <jakub@redhat.com> Date: Mon Nov 15 14:47:44 2021 +0100 testsuite: Add testcase for already fixed PR [PR100469] This bug introduced in r11-7448-gff92ede8d269375f800e1b347a48f4698874b4a3 has been fixed already by r12-1354-g2d2ed777b23ab6503027039e0adbfe1162f52b2f aka PR100852 fix. 2021-11-15 Jakub Jelinek <jakub@redhat.com> PR debug/100469 * g++.dg/opt/pr100469.C: New test. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug debug/100469] [11/12 Regression] -fcompare-debug failure (length) with -O2 -fno-tree-dse -fno-tree-forwprop -fno-tree-tail-merge --param=sccvn-max-alias-queries-per-access=0 2021-05-07 10:52 [Bug debug/100469] New: [11/12 Regression] -fcompare-debug failure (length) with -O2 -fno-tree-dse -fno-tree-forwprop -fno-tree-tail-merge --param=sccvn-max-alias-queries-per-access=0 zsojka at seznam dot cz ` (2 preceding siblings ...) 2021-11-15 13:49 ` cvs-commit at gcc dot gnu.org @ 2021-11-15 13:51 ` jakub at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: jakub at gcc dot gnu.org @ 2021-11-15 13:51 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100469 Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |DUPLICATE --- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Fixed by PR100852 fix already. *** This bug has been marked as a duplicate of bug 100852 *** ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2021-11-15 13:51 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2021-05-07 10:52 [Bug debug/100469] New: [11/12 Regression] -fcompare-debug failure (length) with -O2 -fno-tree-dse -fno-tree-forwprop -fno-tree-tail-merge --param=sccvn-max-alias-queries-per-access=0 zsojka at seznam dot cz 2021-05-07 10:57 ` [Bug debug/100469] " jakub at gcc dot gnu.org 2021-07-28 7:06 ` rguenth at gcc dot gnu.org 2021-11-15 13:49 ` cvs-commit at gcc dot gnu.org 2021-11-15 13:51 ` jakub at gcc dot gnu.org
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