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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/114667] New: `gcc -O2 t.c
 -fdump-tree-optimized=/dev/stdout -fdump-tree-all` produces `error: could not
 open dump file`
Date: Tue, 09 Apr 2024 21:08:46 +0000
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X-Bugzilla-Component: middle-end
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X-Bugzilla-Keywords: diagnostic, rejects-valid
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114667

            Bug ID: 114667
           Summary: `gcc -O2 t.c -fdump-tree-optimized=3D/dev/stdout
                    -fdump-tree-all` produces `error: could not open dump
                    file`
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Keywords: diagnostic, rejects-valid
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: pinskia at gcc dot gnu.org
  Target Milestone: ---

```
[apinski@xeond2 gcc]$ ~/upstream-gcc/bin/gcc -O2  -S=20
-fdump-tree-optimized=3D/dev/stdout -fdump-tree-all t.c
t.c: In function =E2=80=98main=E2=80=99:
t.c:5:5: error: could not open dump file =E2=80=98/usr/local/include=E2=80=
=99: Is a directory
    5 | int main()
      |     ^~~~

```

This has been failing this way since at least 9.1.0 .=