[Bug target/127718] New: arc: 'm' constraint (in inline asm) is too lax for store instruction destination

[michiel at derhaeg dot be via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127718

            Bug ID: 127718
           Summary: arc: 'm' constraint (in inline asm) is too lax for
                    store instruction destination
           Product: gcc
           Version: 16.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: michiel at derhaeg dot be
  Target Milestone: ---

Reported downstream on GitHub:
https://github.com/foss-for-mips-arc-processors/toolchain/issues/672#issuecomment-5601625590

The fix I made for ARCv3 (downstream only target):
https://github.com/foss-for-mips-arc-processors/gcc/pull/336