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[Bug math/21028] New: Fallback fesetexceptflag should always succeed


https://sourceware.org/bugzilla/show_bug.cgi?id=21028

            Bug ID: 21028
           Summary: Fallback fesetexceptflag should always succeed
           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: ---

The fallback implementation of fesetexceptflag currently fails if any
exceptions are specified.  It should always succeed, because the exception
state is always that all exceptions (if any are defined in <fenv.h> but not
supported in this configuration) are always clear, just as fallback
fetestexcept always succeeds and fallback fesetenv always succeeds unless asked
to set FE_NOMASK_ENV.

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