[cfe-dev] Checking type conversion possibility

[Manjunath Kudlur]

Hello,

If I have 2 QualTypes, FromType and ToType, how do I check if converting an
R-value of type FromType to ToType is possible? I see TryCopyInitialization
used for something similar, but that needs an Expr* whose type is FromType.
Is there a way to create a temporary R-value with a given type? Something
akin to llvm::UndefValue::get(Type*) perhaps?

Thanks,
Manjunath
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