[Bug target/60598] [4.9 Regression] ICE in maybe_record_trace_start, at dwarf2cfi.c:2239

[rth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60598

Richard Henderson <rth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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  Attachment #32411|0                           |1
        is obsolete|                            |

--- Comment #5 from Richard Henderson <rth at gcc dot gnu.org> ---
Created attachment 32412
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32412&action=edit
second patch

First patch didn't bootstrap on x86_64, due to using F_R_P on a NOTE.

Second version also doesn't bother checking until after pro/epilogues
created, saving time during ce1 and ce2 passes.