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* [Bug debug/107169] New: [13 Regression] -fcompare-debug failure at -O and above
@ 2022-10-06 11:24 zsojka at seznam dot cz
  2022-10-06 12:00 ` [Bug debug/107169] [13 Regression] -fcompare-debug failure at -O and above since r13-2921-gf1adf45b17f7f1ed marxin at gcc dot gnu.org
                   ` (7 more replies)
  0 siblings, 8 replies; 9+ messages in thread
From: zsojka at seznam dot cz @ 2022-10-06 11:24 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107169

            Bug ID: 107169
           Summary: [13 Regression] -fcompare-debug failure at -O and
                    above
           Product: gcc
           Version: 13.0
            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

Created attachment 53671
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53671&action=edit
reduced testcase

Compiler output:
$ x86_64-pc-linux-gnu-gcc -O -fcompare-debug testcase.C
x86_64-pc-linux-gnu-gcc: error: testcase.C: '-fcompare-debug' failure

$ diff -u a-testcase*.C.gkd
--- a-testcase.C.gkd    2022-10-06 13:22:34.389297164 +0200
+++ a-testcase.gk.C.gkd 2022-10-06 13:22:34.419297164 +0200
@@ -66,7 +66,7 @@
  -> 6)
 (note # 0 0 [bb 3] NOTE_INSN_BASIC_BLOCK)
 (insn # 0 0 3 (set (mem/f/c:DI (symbol_ref:DI ("_class") [flags 0x2] 
<var_decl # _class>) [ _class+0 S8 A64])
-        (const_int 0 [0])) "testcase.C":170:31 discrim 2# {*movdi_internal}
+        (const_int 0 [0])) "testcase.C":170:31 discrim 3# {*movdi_internal}
      (nil))
 (code_label # 0 0 4 6 (nil) [1 uses])
 (note # 0 0 [bb 4] NOTE_INSN_BASIC_BLOCK)


$ 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-r13-3128-20221006123905-gdb2f5d66123-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/13.0.0/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-r13-3128-20221006123905-gdb2f5d66123-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 13.0.0 20221006 (experimental) (GCC)

^ permalink raw reply	[flat|nested] 9+ messages in thread
end of thread, other threads:[~2024-05-21  9:12 UTC | newest]

Thread overview: 9+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-10-06 11:24 [Bug debug/107169] New: [13 Regression] -fcompare-debug failure at -O and above zsojka at seznam dot cz
2022-10-06 12:00 ` [Bug debug/107169] [13 Regression] -fcompare-debug failure at -O and above since r13-2921-gf1adf45b17f7f1ed marxin at gcc dot gnu.org
2022-10-06 12:23 ` rguenth at gcc dot gnu.org
2022-10-06 19:32 ` erozen at microsoft dot com
2023-04-26  6:56 ` [Bug debug/107169] [13/14 " rguenth at gcc dot gnu.org
2023-07-27  9:23 ` rguenth at gcc dot gnu.org
2023-11-16  5:04 ` aoliva at gcc dot gnu.org
2024-05-13 11:36 ` [Bug debug/107169] [13 " rguenth at gcc dot gnu.org
2024-05-21  9:12 ` jakub at gcc dot gnu.org

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