Merge commit 6dbdb8430b49 from llvm git (by Nikolas Klauser):
[Clang] Fix crash due to invalid source location in __is_trivially_equality_comparable (#107815) Fixes #107777
This fixes an assertion failure building www/qt5-webengine:
Assertion failed: (Loc.isValid() && "point of instantiation must be valid!"), function setPointOfInstantiation, file contrib/llvm-project/clang/include/clang/AST/DeclTemplate.h, line 1938.
PR: 280562
MFC after: 1 month