[Bug middle-end/42127] Verify_flow_info: Wrong frequency of block. Profiled bootstrap failed.

[hubicka at ucw dot cz]

------- Comment #3 from hubicka at ucw dot cz  2009-11-21 18:54 -------
Subject: Re:  Verify_flow_info: Wrong frequency of block. Profiled bootstrap
failed.

> 
> 
> ------- Comment #2 from b3timmons at speedymail dot org  2009-11-21 17:37 
> -------
> (In reply to comment #0)
> > GCC 4.5.0 20091119 (r154346)
> > 
> > ../../gcc-4.5/gcc/gengtype-parse.c: In function
> > ‘array_and_function_declarators_opt’:
> > ../../gcc-4.5/gcc/gengtype-parse.c:508:1: error: verify_flow_info: Wrong
> > frequency of block 13 -184951
> > ../../gcc-4.5/gcc/gengtype-parse.c:508:1: internal compiler error:
> > verify_flow_info failed
> > 
> 
> Also happens on x86_64-unknown-linux-gnu under r154408:
> 
> ../../gcc/gcc/c-parser.c: In function ‘c_parser_next_token_is’:
> ../../gcc/gcc/c-parser.c:336:1: error: verify_flow_info: Wrong frequency of
> block 7 -199641

Looks like overflow in frequency scaling.  I will look into this.

Honza


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42127