Handle instrumented expr for unsigned-integer-overflow

Handle instrumented expr for unsigned-integer-overflow

2019-09-19  Mikhail Kashkarov  <m.kashkarov@partner.samsung.com>
    c-family/
	* c-ubsan.c (ubsan_compound_instrumented_expr_p): New function.
	* c-ubsan.h (ubsan_compound_instrumented_expr_p): New prototype.

    c/
	* c-typeck.c (build_binary_op): Handle instrumented expr for
	SANITIZE_UI_OVERFLOW.

    cp/
	* typeck.c (cp_build_binary_op): Same.

    testsuite/
	* c-c++-common/isan/invalid-ui-oveflow-1.c: New testcase.

Change-Id: I8e0fbf443da866bf8756d848fd7bf2ab7e858f06