[Bug math/18397] New: mips16 __fpu_control handling broken for static linking

["jsm28 at gcc dot gnu.org" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=18397

            Bug ID: 18397
           Summary: mips16 __fpu_control handling broken for static
                    linking
           Product: glibc
           Version: 2.21
            Status: NEW
          Severity: normal
          Priority: P2
         Component: math
          Assignee: unassigned at sourceware dot org
          Reporter: jsm28 at gcc dot gnu.org
  Target Milestone: ---
              Host: mips*-*-*

Programs are supposed to be able to define the __fpu_control variable,
overriding the library's version to cause the floating-point control word to be
set to the chosen value at startup.

This is broken for mips16 for static linking because the library's
__fpu_control variable is in the same object file as the helper functions used
by fpu_control.h for mips16, so test-fpucw-ieee-static fails to link with
multiple definitions of __fpu_control.

Testing a patch.

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