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[Bug rtl-optimization/64366] New: Segmentation fault in remove_pseudos


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64366

            Bug ID: 64366
           Summary: Segmentation fault in remove_pseudos
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code, ra
          Severity: normal
          Priority: P3
         Component: rtl-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: kkojima at gcc dot gnu.org
                CC: olegendo at gcc dot gnu.org, vmakarov at gcc dot gnu.org
            Target: sh*-*-*

Created attachment 34303
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34303&action=edit
a test case

The test case got a segfault in remove_pseudos on sh-unkonwn-elf compilers
built against trunk revision 218951 with '-O2 -m4 -ml -mlra'.
It fails also with '-O1 -mlra', though the bug looks a bit fragile.


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