analyzer, testsuite: add more examples taken from CWE

gcc/testsuite/ChangeLog:
	* gcc.dg/analyzer/CWE-131-examples.c: New test.
	* gcc.dg/analyzer/file-CWE-1341-example.c: New test.
	* gcc.dg/analyzer/malloc-CWE-401-example.c: New test.
	* gcc.dg/analyzer/malloc-CWE-415-examples.c: New test.
	* gcc.dg/analyzer/malloc-CWE-416-examples.c: New test.
	* gcc.dg/analyzer/malloc-CWE-590-examples.c: New test.

Signed-off-by: David Malcolm <dmalcolm@redhat.com>
6 files changed