analyzer: implement __analyzer_dump_escaped
PR analyzer/103546 seems to involve an issue in how the analyzer
tracks which decls have escaped, so this patch adds a way to directly
test this from DejaGnu.
gcc/analyzer/ChangeLog:
* region-model-impl-calls.cc (cmp_decls): New.
(cmp_decls_ptr_ptr): New.
(region_model::impl_call_analyzer_dump_escaped): New.
* region-model.cc (region_model::on_stmt_pre): Handle
__analyzer_dump_escaped.
* region-model.h (region_model::impl_call_analyzer_dump_escaped):
New decl.
* store.h (binding_cluster::get_base_region): New accessor.
gcc/ChangeLog:
* doc/analyzer.texi
(Special Functions for Debugging the Analyzer): Document
__analyzer_dump_escaped.
gcc/testsuite/ChangeLog:
* gcc.dg/analyzer/analyzer-decls.h (__analyzer_dump_escaped): New
decl.
* gcc.dg/analyzer/escaping-1.c: New test.