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[Bug math/20455] New: [powerpc] fesetexceptflag fails to clear FE_INVALID


https://sourceware.org/bugzilla/show_bug.cgi?id=20455

            Bug ID: 20455
           Summary: [powerpc] fesetexceptflag fails to clear FE_INVALID
           Product: glibc
           Version: 2.24
            Status: NEW
          Severity: normal
          Priority: P2
         Component: math
          Assignee: unassigned at sourceware dot org
          Reporter: jsm28 at gcc dot gnu.org
  Target Milestone: ---
              Host: powerpc*-*-*

The powerpc fesetexceptflag implementation fails to clear a previously set
FE_INVALID flag, when that flag is clear in the saved exceptions and FE_INVALID
is included in the mask of flags to restore, because it fails to mask out the
sub-exceptions of FE_INVALID from the FPSCR state.

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