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(s_app_line): Accept a line number of 0 for compatibility with gcc's output 

for assembler-with-cpp files.
This commit is contained in:
Nick Clifton 2005-08-07 10:34:52 +00:00
parent 5a8afccc02
commit 47837f8ec2
2 changed files with 15 additions and 2 deletions
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5
gas/ChangeLog
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@ -1,3 +1,8 @@
2005-08-07 Nick Clifton <nickc@redhat.com>
* read.c (s_app_line): Accept a line number of 0 for compatibility
with gcc's output for assembler-with-cpp files.
2005-08-05 Paul Brook <paul@codesourcery.com>
* config/tc-arm.c (current_it_mask, current_cc): New variables.

12
gas/read.c
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@ -1698,9 +1698,17 @@ s_app_line (int ignore ATTRIBUTE_UNUSED)
/* The given number is that of the next line. */
l = get_absolute_expression () - 1;
if (l < 0)
if (l < -1)
/* Some of the back ends can't deal with non-positive line numbers.
Besides, it's silly. */
Besides, it's silly. GCC however will generate a line number of
zero when it is pre-processing builtins for assembler-with-cpp files:
# 0 "<built-in>"
We do not want to barf on this, especially since such files are used
in the GCC and GDB testsuites. So we check for negative line numbers
rather than non-positive line numbers. */
as_warn (_("line numbers must be positive; line number %d rejected"),
l + 1);
else