gccrs: Fix intrinsic error location

When an intrisic is used with an incorrect type, prin the location of
the call site, not the declaration.

Fixes Rust-GCC/gccrs#4465.

gcc/rust/ChangeLog:

	* backend/rust-intrinsic-handlers.cc
	(check_for_basic_integer_type): Fixed typo.
	(build_atomic_builtin_name): Update message.
	(unchecked_op, atomic_store, ctlz_handler)
	(cttz_handler, bswap_handler): Use call location.

gcc/testsuite/ChangeLog:

	* rust/compile/bswap.rs: Update error location.
	* rust/compile/ctlz.rs: Likewise.
	* rust/compile/ctlz_nonzero.rs: Likewise.
	* rust/compile/cttz.rs: Likewise.
	* rust/compile/cttz_nonzero.rs: Likewise.
	* rust/compile/torture/intrinsics-5.rs: Likewise.
	* rust/compile/torture/intrinsics-7.rs: Likewise.

Signed-off-by: Jean-Christian CÎRSTEA <jean-christian.cirstea@tuta.com>