[llvm-dev] [cfe-dev] Windows /bigobj

Simon Pilgrim via llvm-dev llvm-dev at lists.llvm.org
Mon Dec 17 07:18:50 PST 2018

rL349357 - we manually add /bigobj quite a bit to fix this sort of 
thing. Although I don't think anyone ever goes around to check if any 
entries can ever be removed again...

On 17/12/2018 15:12, Gábor Márton via cfe-dev wrote:
> Hi,
> Recently one Windows build bot failed by my commit, because the obj 
> file being generated is too big:
> C:\ps4-buildslave2\llvm-clang-x86_64-expensive-checks-win\llvm\tools\clang\unittests\AST\ASTImporterTest.cpp 
> : fatal error C1128: number of sections exceeded object file format 
> limit: compile with /bigobj
> Is there an LLVM policy to limit the maximum size of the generated obj 
> files?
> If not then I suspect the only solution is to turn on /bigobj on the 
> build bot, right?
> (Of course, I could refactor the cpp file to several smaller ones, but 
> how do I know where to cut it?)
> Thanks,
> Gabor
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