Bug ID: 23030
           Summary: --gc-sections on ia64 removes needed unwind sections
           Product: binutils
           Version: 2.31 (HEAD)
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: ld
          Assignee: unassigned at sourceware dot org
          Reporter: jason.duerstock at gmail dot com
  Target Milestone: ---

After enabling --gc-sections on ia64, it appeared that things functioned
properly.  However, after rebuilding gcc, it was clear that something broke in
libstdc++6.  After rebuilding gcc with --print-gc-sections, the following
snippet appeared to clarify the situation:

/usr/bin/ia64-linux-gnu-ld: Removing unused section
'.IA_64.unwind_info.text.__cxa_throw' in file
/usr/bin/ia64-linux-gnu-ld: Removing unused section
'.IA_64.unwind.text.__cxa_throw' in file

Both of these sections need to be kept for functions that are not removed.

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