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[Bug target/40416] New: unnecessary register spill

Compile the attached source code with options -O2 -Os -mthumb -fpic, we can get
a unnecessary register spill.


-- 
           Summary: unnecessary register spill
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: carrot at google dot com
 GCC build triplet: i686-linux
  GCC host triplet: i686-linux
GCC target triplet: arm-eabi


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40416
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