Replace 'AllowExplicit' bool with an enum. No functionality change.
In passing, split it up into three values (no explicit functions /
explicit conversion functions only / any explicit functions) in
preparation for using that in a future change.
diff --git a/clang/lib/Sema/SemaOpenMP.cpp b/clang/lib/Sema/SemaOpenMP.cpp
index 5d253cd..cb08079 100644
--- a/clang/lib/Sema/SemaOpenMP.cpp
+++ b/clang/lib/Sema/SemaOpenMP.cpp
@@ -5388,7 +5388,7 @@
ImplicitConversionSequence ICS =
TryImplicitConversion(VariantRef, FnPtrType.getUnqualifiedType(),
/*SuppressUserConversions=*/false,
- /*AllowExplicit=*/false,
+ AllowedExplicit::None,
/*InOverloadResolution=*/false,
/*CStyle=*/false,
/*AllowObjCWritebackConversion=*/false);