[Bug gas/27211] New: m68k: word branches are not checked for signed overflow

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https://sourceware.org/bugzilla/show_bug.cgi?id=27211

            Bug ID: 27211
           Summary: m68k: word branches are not checked for signed
                    overflow
           Product: binutils
           Version: unspecified
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: gas
          Assignee: unassigned at sourceware dot org
          Reporter: admin@tho-otto.de
  Target Milestone: ---

When the branch target is known, gas should reject values that overflow the
range of a *signed* value. That is, code such as

        .text

        braw loopend
        .REPT 20000
        nop
        .ENDR
loopend:

should give an error. Instead, an (incorrect) negative value is written.

Note that ld gives a warning at least, if the target is not known and defined
in some other compilation unit (relocation truncated to fit: DISP16 against
symbol `loopend')

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