Re: How to report bugs only seen with -flto?
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On 2012.06.28 at 07:40 +0200, Georg-Johann Lay wrote: > Ian Lance Taylor schrieb: > > Georg-Johann Lay <avr@xxxxxxxx> writes: > > > >> The reporting instructions from > >> http://gcc.gnu.org/bugs/#need > >> don't outline how to report bugs that only occur with -flto > >> > >> Presumably, the bug to report is not a genuine LTO issue, > >> but only because the compiler sees code/bunch of input > >> files it does not see without -flto. > >> > >> How should such problems that involve possibly many files > >> be reported? > > > > The key is always to provide all the information required for somebody > > else to recreate the problem. > > > > Ian > > Yes, of course. > > The question is how to supply that information if dozens of sources are > involved. Making dozens of attachments/comments? Normally you can reduce your LTO test case to very few files. Just follow the suggestions in: http://gcc.gnu.org/wiki/A_guide_to_testcase_reduction#Reducing_LTO_bugs -- Markus