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* [Bug debug/112703] New: [13/14 Regression] -fcompare-debug failure at -O1 and above
@ 2023-11-24 17:59 zsojka at seznam dot cz
2023-11-27 7:59 ` [Bug debug/112703] " rguenth at gcc dot gnu.org
2024-03-15 15:28 ` law at gcc dot gnu.org
0 siblings, 2 replies; 3+ messages in thread
From: zsojka at seznam dot cz @ 2023-11-24 17:59 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112703
Bug ID: 112703
Summary: [13/14 Regression] -fcompare-debug failure at -O1 and
above
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Keywords: compare-debug-failure
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
Target: x86_64-pc-linux-gnu
Created attachment 56681
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56681&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -O -fcompare-debug testcase.C -save-temps
x86_64-pc-linux-gnu-gcc: error: testcase.C: '-fcompare-debug' failure
$ diff -u *gkd
--- a-testcase.C.gkd 2023-11-24 18:57:06.420042167 +0100
+++ a-testcase.gk.C.gkd 2023-11-24 18:57:06.450042167 +0100
@@ -67,7 +67,7 @@
(nil))
(nil))
(insn # 0 0 4 (set (reg:SI 0 ax [orig:98 <retval> ] [98])
- (const_int 1 [0x1])) "testcase.C":7:32 discrim 3# {*movsi_internal}
+ (const_int 1 [0x1])) "testcase.C":7:32 discrim 4# {*movsi_internal}
(nil))
(jump_insn # 0 0 4 (set (pc)
(label_ref #)) "testcase.C":7:32# {jump}
$ 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-r14-5822-20231124121307-g3eb9cae6d37-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/14.0.0/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
--disable-bootstrap --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-r14-5822-20231124121307-g3eb9cae6d37-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 14.0.0 20231124 (experimental) (GCC)
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug debug/112703] [13/14 Regression] -fcompare-debug failure at -O1 and above
2023-11-24 17:59 [Bug debug/112703] New: [13/14 Regression] -fcompare-debug failure at -O1 and above zsojka at seznam dot cz
@ 2023-11-27 7:59 ` rguenth at gcc dot gnu.org
2024-03-15 15:28 ` law at gcc dot gnu.org
1 sibling, 0 replies; 3+ messages in thread
From: rguenth at gcc dot gnu.org @ 2023-11-27 7:59 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112703
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever confirmed|0 |1
Last reconfirmed| |2023-11-27
Target Milestone|--- |13.3
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed with the C++ frontend. -gno-statement-frontiers avoids this.
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug debug/112703] [13/14 Regression] -fcompare-debug failure at -O1 and above
2023-11-24 17:59 [Bug debug/112703] New: [13/14 Regression] -fcompare-debug failure at -O1 and above zsojka at seznam dot cz
2023-11-27 7:59 ` [Bug debug/112703] " rguenth at gcc dot gnu.org
@ 2024-03-15 15:28 ` law at gcc dot gnu.org
1 sibling, 0 replies; 3+ messages in thread
From: law at gcc dot gnu.org @ 2024-03-15 15:28 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112703
Jeffrey A. Law <law at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |law at gcc dot gnu.org
Priority|P3 |P2
^ permalink raw reply [flat|nested] 3+ messages in thread
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2023-11-24 17:59 [Bug debug/112703] New: [13/14 Regression] -fcompare-debug failure at -O1 and above zsojka at seznam dot cz
2023-11-27 7:59 ` [Bug debug/112703] " rguenth at gcc dot gnu.org
2024-03-15 15:28 ` law at gcc dot gnu.org
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