[Bug gas/6926] New: Macro number feature \@ conflicting with @ in line_separator_chars

[hp at sourceware dot org]

The CRIS port has const char line_separator_chars[] = "@";
Apparently this causes a conflict with the \@ macro invocation number counter,
as evident by building and checking for cris-axis-linux-gnu:
Running x/src/ld/testsuite/ld-elf/elf.exp ...
FAIL: ld-elf/multibss1

with ld.log saying:
x/src/ld/testsuite/ld-elf/multibss1.s: Assembler messages:
x/src/ld/testsuite/ld-elf/multibss1.s:2: Warning: stray `\'
x/src/ld/testsuite/ld-elf/multibss1.s: Assembler messages:
x/src/ld/testsuite/ld-elf/multibss1.s:2: Warning: stray `\'

I guess the simplest and most obvious route would be to make the \ escape any
special meaning of the following char (the line-separatorness of @ for this case
and perhaps similarly for comment_chars; haven't tested if there's a similar
FAIL for ARM where comment_chars contains @).  Note: DLX also has the same
line_separator_chars.

-- 
           Summary: Macro number feature \@ conflicting with @ in
                    line_separator_chars
           Product: binutils
           Version: 2.20 (HEAD)
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gas
        AssignedTo: unassigned at sources dot redhat dot com
        ReportedBy: hp at sourceware dot org
                CC: bug-binutils at gnu dot org
GCC target triplet: cris-axis-linux-gnu


http://sourceware.org/bugzilla/show_bug.cgi?id=6926

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