[Bug pch/71934] pch cannot be disabled so gcc cannot be position independent

[jakub at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71934

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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  Attachment #51929|0                           |1
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  Attachment #51931|0                           |1
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--- Comment #25 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 51932
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51932&action=edit
gcc12-pr71934.patch

Fix a small thinko in host-linux.c, for addr == (void *) MAP_FAILED we need to
fail, not blindly try to write at it.