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From: "zsojka at seznam dot cz" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug debug/104025] New: [12 Regression] '-fcompare-debug' failure with enabled warnings
Date: Fri, 14 Jan 2022 09:05:32 +0000 [thread overview]
Message-ID: <bug-104025-4@http.gcc.gnu.org/bugzilla/> (raw)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104025
Bug ID: 104025
Summary: [12 Regression] '-fcompare-debug' failure with enabled
warnings
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 52187
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52187&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -fcompare-debug testcase.C
x86_64-pc-linux-gnu-gcc: error: testcase.C: '-fcompare-debug' failure
$ diff -u *gkd
...
@@ -31,11 +31,11 @@
(note # 0 0 NOTE_INSN_FUNCTION_BEG)
(insn # 0 0 2 (set (reg/f:DI 0 ax [86])
(mem/f/c:DI (plus:DI (reg/f:DI 6 bp)
- (const_int -8 [0xfffffffffffffff8])) [ this+0 S8 A64]))
"testcase.C":14:16# {*movdi_internal}
+ (const_int -8 [0xfffffffffffffff8])) [ this+0 S8 A64]))
"testcase.C":14:12# {*movdi_internal}
(nil))
(insn # 0 0 2 (set (reg:SI 1 dx [orig:82 _1 ] [82])
(mem:SI (plus:DI (reg/f:DI 0 ax [86])
- (const_int 4 [0x4])) [ this_6(D)->c.i+0 S4 A32]))
"testcase.C":14:16# {*movsi_internal}
+ (const_int 4 [0x4])) [ this_6(D)->c.i+0 S4 A32]))
"testcase.C":14:12# {*movsi_internal}
(nil))
(insn # 0 0 2 (set (reg/f:DI 0 ax [87])
(mem/f/c:DI (plus:DI (reg/f:DI 6 bp)
$ x86_64-pc-linux-gnu-gcc -fcompare-debug testcase.C -w -c
(no output)
$ 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-r12-6567-20220114130226-gb77e3b4e458-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-r12-6567-20220114130226-gb77e3b4e458-checking-yes-rtl-df-extra-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 12.0.0 20220114 (experimental) (GCC)
next reply other threads:[~2022-01-14 9:05 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-14 9:05 zsojka at seznam dot cz [this message]
2022-01-14 9:17 ` [Bug c++/104025] " pinskia at gcc dot gnu.org
2022-01-14 9:44 ` [Bug c++/104025] [12 Regression] '-fcompare-debug' failure with enabled warnings since r12-6563-gb8ffa71e4271ae56 marxin at gcc dot gnu.org
2022-01-14 9:56 ` pinskia at gcc dot gnu.org
2022-01-17 12:32 ` rguenth at gcc dot gnu.org
2022-01-17 18:55 ` jakub at gcc dot gnu.org
2022-01-17 19:35 ` jakub at gcc dot gnu.org
2022-01-17 22:40 ` jason at gcc dot gnu.org
2022-01-18 12:34 ` jakub at gcc dot gnu.org
2022-01-18 22:57 ` cvs-commit at gcc dot gnu.org
2022-01-18 22:58 ` jason at gcc dot gnu.org
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