gccrs: gccrs:[E0592] methods or associated functions with same name already defined

gccrs: gccrs:[E0592] methods or associated functions with same name already defined

gcc/rust/ChangeLog:

	* typecheck/rust-hir-inherent-impl-overlap.h:
	Added rich location and errorcode.
	* typecheck/rust-hir-type-check-expr.cc (TypeCheckExpr::visit):
	likewise.

gcc/testsuite/ChangeLog:

	* rust/compile/generics7.rs: Added Errorcode hint.
	* rust/compile/generics8.rs: Updated dejagnu comment.
	* rust/compile/issue-925.rs: Added Errorcode hint.

Signed-off-by: Muhammad Mahad <mahadtxt@gmail.com>