gcc-4.1-20050702 ICE in cgraph_early_inlining, at ipa-inline.c:990

[Jan Hubicka]

> I get this error compiling linux-2.6.11.3 with gcc-4.1-20050702 on many 
> targets:
> 
> drivers/char/random.c: In function 'extract_entropy':
> drivers/char/random.c:634: sorry, unimplemented: inlining failed in call to 
> 'add_entropy_words': function not considered for inlining
> drivers/char/random.c:1325: sorry, unimplemented: called from here
> drivers/char/random.c: At top level:
> drivers/char/random.c:1813: internal compiler error: in 
> cgraph_early_inlining, at ipa-inline.c:990
> 
> Line 1813 is
> EXPORT_SYMBOL(generate_random_uuid);
> 
> I don't have the preprocessed source handy, but I can provide it if
> this hasn't already been reported.
Having preprocessed testcase would be nice.  Obvious fix would be to
disable warning during early inlining, but I can't come of scenario
where the early inliner should miss always inline call.

Honza