[Bug gas/29120] New: conversion to .linefile is dependent upon # being a line comment char

[jbeulich at suse dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=29120

            Bug ID: 29120
           Summary: conversion to .linefile is dependent upon # being a
                    line comment char
           Product: binutils
           Version: 2.39 (HEAD)
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gas
          Assignee: unassigned at sourceware dot org
          Reporter: jbeulich at suse dot com
  Target Milestone: ---

The code doing the conversion sits inside a "case LEX_IS_LINE_COMMENT_START:"
code block and hence won't be reached by targets where # doesn't make it there.
It is, however, unclear whether correcting this is a good idea, as targets
(primarily tic30, but also ns32k when SEQUENT_COMPATABILITY is defined) may not
like these sequences suddenly obtaining a meaning.

I notice that neither of the two mentioned targets is supported by gcc, which
might explain why the issue so far has gone unnoticed. I did notice it only
because I'm about to introduce a (generic) test for this conversion actually
occurring (and not being ignored inside the "false" branches of conditionals).

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