gcc/c/ChangeLog:
	PR c/70281
	* c-parser.c (c_parser_postfix_expression): Set the source range
	for uses of "__builtin_types_compatible_p".

gcc/testsuite/ChangeLog:
	PR c/70281
	* gcc.dg/plugin/diagnostic-test-expressions-1.c
	(test_builtin_types_compatible_p): New test function.
	* gcc.dg/pr70281.c: New test case.

From-SVN: r234340