analyzer: fix deref-before-check false positives due to inlining [PR112790]

analyzer: fix deref-before-check false positives due to inlining [PR112790]

Backported from commit r14-6918-g5743e1899d5964 (moving testcase from
c-c++-common to gcc.dg).

gcc/analyzer/ChangeLog:
	PR analyzer/112790
	* checker-event.cc (class inlining_info): Move to...
	* inlining-iterator.h (class inlining_info): ...here.
	* sm-malloc.cc: Include "analyzer/inlining-iterator.h".
	(maybe_complain_about_deref_before_check): Reject stmts that were
	inlined from another function.

gcc/testsuite/ChangeLog:
	PR analyzer/112790
	* gcc.dg/analyzer/deref-before-check-pr112790.c: New test.

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