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[PATCH]: For x86_64 mingw32 the dwarf2 default unwind does not work


Hi,

64-bit target should uses DWARF2 unwind by default. If 32-bit target 
configured with --disable-sjlj-exceptions, use DWARF2, else default to 
SJLJ.
Reasoned by a bug in DWARF2 unwind for x86_64-mingw by default sjlj 
exceptions  needs to be enabled as for 32-bit target.

ChangeLog:

2007-12-06  Kai Tietz  <kai.tietz@onevision.com>

        * gcc/config/i386/cygming.h: Set DWARF2_UNWIND_INFO for 
x86_64-mingw32 target
        by default to zero as done for 32-bit mingw.

Cheers,
 i.A. Kai Tietz



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Attachment: x86_64-sjlj.txt
Description: Text document


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