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Stop the assembler from complaining that the input and output files are the same, if neither of them are regular files. 

PR 25572
	* as.c (main): Allow matching input and outputs when they are
	not regular files.
This commit is contained in:
Nick Clifton 2020-03-06 10:44:12 +00:00
parent a0dcf29705
commit 3c968de5c7
2 changed files with 13 additions and 1 deletions
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6
gas/ChangeLog
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@ -1,3 +1,9 @@
2020-03-06 Nick Clifton <nickc@redhat.com>
PR 25572
* as.c (main): Allow matching input and outputs when they are
not regular files.
2020-03-06 Jan Beulich <jbeulich@suse.com>
* config/tc-i386.c (match_mem_size): Generalize broadcast special

8
gas/as.c
View File

@ -1290,7 +1290,13 @@ main (int argc, char ** argv)
/* Different files may have the same inode number if they
reside on different devices, so check the st_dev field as
well. */
&& sib.st_dev == sob.st_dev)
&& sib.st_dev == sob.st_dev
/* PR 25572: Only check regular files. Devices, sockets and so
on might actually work as both input and output. Plus there
is a use case for using /dev/null as both input and output
when checking for command line option support in a script:
as --foo /dev/null -o /dev/null; if $? then ... */
&& S_ISREG (sib.st_mode))
{
const char *saved_out_file_name = out_file_name;