[RFC PATCH 0/9] CFG aware dwarf2 cfi generation

David Edelsohn dje.gcc@gmail.com
Mon Jul 25 03:15:00 GMT 2011


This patch set causes a bootstrap failure on AIX:

In file included from /farm/dje/src/src/libgcc/../gcc/unwind-dw2.c:1590:0:
/farm/dje/src/src/libgcc/../gcc/unwind.inc: In function
'_Unwind_RaiseException':
/farm/dje/src/src/libgcc/../gcc/unwind.inc:136:1: internal compiler
error: in maybe_record_trace_start, at dwarf2cfi.c:2433

      /* We ought to have the same state incoming to a given trace no
         matter how we arrive at the trace.  Anything else means we've
         got some kind of optimization error.  */
      gcc_checking_assert (cfi_row_equal_p (cur_row, ti->beg_row));

This is during the stage1 build of libgcc.

- David



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