Use unwrapDIPtr because the Scope may be null. #78462
Merged
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I ran into an assertion when using debug information on Windows with LLVM assertions enabled.
It seems like we are using unwrap here (which in turn calls isa and requires the pointer to be non-null) but we expect the value to be null because that is what we are passing from rustc.
This change uses unwrapDIPtr which explicitly allows nullptr.
The FFI prototype for this method on the rust side has the
LLVMMetadataRef
parameter asScope: Option<&'a DIScope>
, and we always passNone
whenmsvc_like_names
is true.