[cfe-commits] r119583 - in /cfe/trunk: include/clang/Basic/DiagnosticGroups.td include/clang/Basic/DiagnosticSemaKinds.td include/clang/Basic/LangOptions.h include/clang/Driver/CC1Options.td include/clang/Driver/Options.td include/clang/Sema/Sema.h lib/Driver/Tools.cpp lib/Frontend/CompilerInvocation.cpp lib/Sema/SemaDecl.cpp test/SemaCXX/warn-argument-larger-than.cpp

[Chris Lattner]

On Nov 17, 2010, at 7:54 PM, Argyrios Kyrtzidis wrote:

>>> 
>>> ASTContext::getTypeInfo will calculate a ASTRecordLayout if one is not available.
>>> It's debatable whether we will avoid it but better be on the safe side ?
>> 
>> When does this warning trigger?  IMO, it would make sense to only do it on function definitions, not prototypes (because if you just have a proto, you probably don't have the option to change it, and that way you don't get the warning in every translation unit).
> 
> Yes, only on function definitions.
> 
>> 
>> If it just triggers on definitions, the layout will have to be computed at codegen time, so it shouldn't add any cost to -O0 compiles.
> 
> That's true but I was thinking about non-codegen situations like indexing ?

*shrug* I still think it's worth it to be simple.

-Chris