|
No functional change intended.
gcc/analyzer/ChangeLog:
* access-diagram.cc (access_range::dump): Update for fields of
pretty_printer becoming private.
* call-details.cc (call_details::dump): Likewise.
* call-summary.cc (call_summary::dump): Likewise.
(call_summary_replay::dump): Likewise.
* checker-event.cc (checker_event::debug): Likewise.
* constraint-manager.cc (range::dump): Likewise.
(bounded_range::dump): Likewise.
(constraint_manager::dump): Likewise.
* engine.cc (exploded_node::dump): Likewise.
(exploded_path::dump): Likewise.
(exploded_path::dump_to_file): Likewise.
* feasible-graph.cc (feasible_graph::dump_feasible_path): Likewise.
* program-point.cc (program_point::dump): Likewise.
* program-state.cc (extrinsic_state::dump_to_file): Likewise.
(sm_state_map::dump): Likewise.
(program_state::dump_to_file): Likewise.
* ranges.cc (symbolic_byte_offset::dump): Likewise.
(symbolic_byte_range::dump): Likewise.
* record-layout.cc (record_layout::dump): Likewise.
* region-model-reachability.cc (reachable_regions::dump): Likewise.
* region-model.cc (region_to_value_map::dump): Likewise.
(region_model::dump): Likewise.
(model_merger::dump): Likewise.
* region-model.h (one_way_id_map<T>::dump): Likewise.
* region.cc (region_offset::dump): Likewise.
(region::dump): Likewise.
* sm-malloc.cc (deallocator_set::dump): Likewise.
* store.cc (uncertainty_t::dump): Likewise.
(binding_key::dump): Likewise.
(bit_range::dump): Likewise.
(byte_range::dump): Likewise.
(binding_map::dump): Likewise.
(binding_cluster::dump): Likewise.
(store::dump): Likewise.
* supergraph.cc (supergraph::dump_dot_to_file): Likewise.
(superedge::dump): Likewise.
* svalue.cc (svalue::dump): Likewise.
gcc/c-family/ChangeLog:
* c-ada-spec.cc (dump_ads): Update for fields of pretty_printer
becoming private.
* c-pretty-print.cc: Likewise throughout.
gcc/c/ChangeLog:
* c-objc-common.cc (print_type): Update for fields of
pretty_printer becoming private.
(c_tree_printer): Likewise.
gcc/cp/ChangeLog:
* cxx-pretty-print.cc: Update throughout for fields of
pretty_printer becoming private.
* error.cc: Likewise.
gcc/ChangeLog:
* diagnostic.cc (diagnostic_context::urls_init): Update for fields
of pretty_printer becoming private.
(diagnostic_context::print_any_cwe): Likewise.
(diagnostic_context::print_any_rules): Likewise.
(diagnostic_context::print_option_information): Likewise.
* diagnostic.h (diagnostic_format_decoder): Likewise.
(diagnostic_prefixing_rule): Likewise, fixing typo.
* digraph.cc (test_dump_to_dot): Likewise.
* digraph.h (digraph<GraphTraits>::dump_dot_to_file): Likewise.
* dumpfile.cc
(dump_pretty_printer::emit_any_pending_textual_chunks): Likewise.
* gimple-pretty-print.cc (print_gimple_stmt): Likewise.
(print_gimple_expr): Likewise.
(print_gimple_seq): Likewise.
(dump_ssaname_info_to_file): Likewise.
(gimple_dump_bb): Likewise.
* graph.cc (print_graph_cfg): Likewise.
(start_graph_dump): Likewise.
* langhooks.cc (lhd_print_error_function): Likewise.
* lto-wrapper.cc (print_lto_docs_link): Likewise.
* pretty-print.cc (pp_set_real_maximum_length): Convert to...
(pretty_printer::set_real_maximum_length): ...this.
(pp_clear_state): Convert to...
(pretty_printer::clear_state): ...this.
(pp_wrap_text): Update for pp_remaining_character_count_for_line
becoming a member function.
(urlify_quoted_string): Update for fields of pretty_printer becoming
private.
(pp_format): Convert to...
(pretty_printer::format): ...this. Reduce the scope of local
variables "old_line_length" and "old_wrapping_mode" and make
const. Reduce the scope of locals "args", "new_chunk_array",
"curarg", "any_unnumbered", and "any_numbered".
(pp_output_formatted_text): Update for fields of pretty_printer
becoming private.
(pp_flush): Likewise.
(pp_really_flush): Likewise.
(pp_set_line_maximum_length): Likewise.
(pp_set_prefix): Convert to...
(pretty_printer::set_prefix): ...this.
(pp_take_prefix): Update for fields of pretty_printer gaining
"m_" prefixes.
(pp_destroy_prefix): Likewise.
(pp_emit_prefix): Convert to...
(pretty_printer::emit_prefix): ...this.
(pretty_printer::pretty_printer): Update both ctors for fields
gaining "m_" prefixes.
(pretty_printer::~pretty_printer): Likewise for dtor.
(pp_append_text): Update for pp_emit_prefix becoming
pretty_printer::emit_prefix.
(pp_remaining_character_count_for_line): Convert to...
(pretty_printer::remaining_character_count_for_line): ...this.
(pp_character): Update for above change.
(pp_maybe_space): Convert to...
(pretty_printer::maybe_space): ...this.
(pp_begin_url): Convert to...
(pretty_printer::begin_url): ...this.
(get_end_url_string): Update for fields of pretty_printer
becoming private.
(pp_end_url): Convert to...
(pretty_printer::end_url): ...this.
(selftest::test_pretty_printer::test_pretty_printer): Update for
fields of pretty_printer becoming private.
(selftest::test_urls): Likewise.
(selftest::test_null_urls): Likewise.
(selftest::test_urlification): Likewise.
* pretty-print.h (pp_line_cutoff): Convert from macro to inline
function.
(pp_prefixing_rule): Likewise.
(pp_wrapping_mode): Likewise.
(pp_format_decoder): Likewise.
(pp_needs_newline): Likewise.
(pp_indentation): Likewise.
(pp_translate_identifiers): Likewise.
(pp_show_color): Likewise.
(pp_buffer): Likewise.
(pp_get_prefix): Add forward decl to allow friend decl.
(pp_take_prefix): Likewise.
(pp_destroy_prefix): Likewise.
(class pretty_printer): Fix typo in leading comment. Add
"friend" decls for the various new accessor functions that were
formerly macros and for pp_get_prefix, pp_take_prefix, and
pp_destroy_prefix. Make all fields private.
(pretty_printer::set_output_stream): New.
(pretty_printer::set_prefix): New decl.
(pretty_printer::emit_prefix): New decl.
(pretty_printer::format): New decl.
(pretty_printer::maybe_space): New decl.
(pretty_printer::supports_urls_p): New.
(pretty_printer::get_url_format): New.
(pretty_printer::set_url_format): New.
(pretty_printer::begin_url): New decl.
(pretty_printer::end_url): New decl.
(pretty_printer::set_verbatim_wrapping): New.
(pretty_printer::set_padding): New.
(pretty_printer::get_padding): New.
(pretty_printer::clear_state): New decl.
(pretty_printer::set_real_maximum_length): New decl.
(pretty_printer::remaining_character_count_for_line): New decl.
(pretty_printer::buffer): Rename to...
(pretty_printer::m_buffer): ...this.
(pretty_printer::prefix): Rename to...
(pretty_printer::m_prefix): ...this;
(pretty_printer::padding): Rename to...
(pretty_printer::m_padding): ...this;
(pretty_printer::maximum_length): Rename to...
(pretty_printer::m_maximum_length): ...this;
(pretty_printer::indent_skip): Rename to...
(pretty_printer::m_indent_skip): ...this;
(pretty_printer::wrapping): Rename to...
(pretty_printer::m_wrapping): ...this;
(pretty_printer::format_decoder): Rename to...
(pretty_printer::m_format_decoder): ...this;
(pretty_printer::emitted_prefix): Rename to...
(pretty_printer::m_emitted_prefix): ...this;
(pretty_printer::need_newline): Rename to...
(pretty_printer::m_need_newline): ...this;
(pretty_printer::translate_identifiers): Rename to...
(pretty_printer::m_translate_identifiers): ...this;
(pretty_printer::show_color): Rename to...
(pretty_printer::m_show_color): ...this;
(pretty_printer::url_format): Rename to...
(pretty_printer::m_url_format): ...this;
(pp_get_prefix): Reformat.
(pp_format_postprocessor): New inline function.
(pp_take_prefix): Move decl to before class pretty_printer.
(pp_destroy_prefix): Likewise.
(pp_set_prefix): Convert to inline function.
(pp_emit_prefix): Convert to inline function.
(pp_format): Convert to inline function.
(pp_maybe_space): Convert to inline function.
(pp_begin_url): Convert to inline function.
(pp_end_url): Convert to inline function.
(pp_set_verbatim_wrapping): Convert from macro to inline
function, renaming...
(pp_set_verbatim_wrapping_): ...this.
* print-rtl.cc (dump_value_slim): Update for fields of
pretty_printer becoming private.
(dump_insn_slim): Likewise.
(dump_rtl_slim): Likewise.
* print-tree.cc (print_node): Likewise.
* sched-rgn.cc (dump_rgn_dependencies_dot): Likewise.
* text-art/canvas.cc (canvas::print_to_pp): Likewise.
(canvas::debug): Likewise.
(selftest::test_canvas_urls): Likewise.
* text-art/dump.h (dump_to_file): Likewise.
* text-art/selftests.cc (selftest::assert_canvas_streq): Likewise.
* text-art/style.cc (style::print_changes): Likewise.
* text-art/styled-string.cc (styled_string::from_fmt_va):
Likewise.
* tree-diagnostic-path.cc (control_flow_tests): Update for
pp_show_color becoming an inline function.
* tree-loop-distribution.cc (dot_rdg_1): Update for fields of
pretty_printer becoming private.
* tree-pretty-print.cc (maybe_init_pretty_print): Likewise.
* value-range.cc (vrange::dump): Likewise.
(irange_bitmask::dump): Likewise.
gcc/fortran/ChangeLog:
* error.cc (gfc_clear_pp_buffer): Likewise.
(gfc_warning): Likewise.
(gfc_warning_check): Likewise.
(gfc_error_opt): Likewise.
(gfc_error_check): Likewise.
gcc/jit/ChangeLog:
* jit-recording.cc (recording::function::dump_to_dot): Update for
fields of pretty_printer becoming private.
gcc/testsuite/ChangeLog:
* gcc.dg/plugin/analyzer_cpython_plugin.c (dump_refcnt_info):
Update for fields of pretty_printer becoming private.
Signed-off-by: David Malcolm <dmalcolm@redhat.com>
|
|
This patch adds a static analysis pass to the middle-end, focusing
for this release on C code, and malloc/free issues in particular.
See:
https://gcc.gnu.org/wiki/DavidMalcolm/StaticAnalyzer
gcc/ChangeLog:
* Makefile.in (lang_opt_files): Add analyzer.opt.
(ANALYZER_OBJS): New.
(OBJS): Add digraph.o, graphviz.o, ordered-hash-map-tests.o,
tristate.o and ANALYZER_OBJS.
(TEXI_GCCINT_FILES): Add analyzer.texi.
* common.opt (-fanalyzer): New driver option.
* config.in: Regenerate.
* configure: Regenerate.
* configure.ac (--disable-analyzer, ENABLE_ANALYZER): New option.
(gccdepdir): Also create depdir for "analyzer" subdir.
* digraph.cc: New file.
* digraph.h: New file.
* doc/analyzer.texi: New file.
* doc/gccint.texi ("Static Analyzer") New menu item.
(analyzer.texi): Include it.
* doc/invoke.texi ("Static Analyzer Options"): New list and new section.
("Warning Options"): Add static analysis warnings to the list.
(-Wno-analyzer-double-fclose): New option.
(-Wno-analyzer-double-free): New option.
(-Wno-analyzer-exposure-through-output-file): New option.
(-Wno-analyzer-file-leak): New option.
(-Wno-analyzer-free-of-non-heap): New option.
(-Wno-analyzer-malloc-leak): New option.
(-Wno-analyzer-possible-null-argument): New option.
(-Wno-analyzer-possible-null-dereference): New option.
(-Wno-analyzer-null-argument): New option.
(-Wno-analyzer-null-dereference): New option.
(-Wno-analyzer-stale-setjmp-buffer): New option.
(-Wno-analyzer-tainted-array-index): New option.
(-Wno-analyzer-use-after-free): New option.
(-Wno-analyzer-use-of-pointer-in-stale-stack-frame): New option.
(-Wno-analyzer-use-of-uninitialized-value): New option.
(-Wanalyzer-too-complex): New option.
(-fanalyzer-call-summaries): New warning.
(-fanalyzer-checker=): New warning.
(-fanalyzer-fine-grained): New warning.
(-fno-analyzer-state-merge): New warning.
(-fno-analyzer-state-purge): New warning.
(-fanalyzer-transitivity): New warning.
(-fanalyzer-verbose-edges): New warning.
(-fanalyzer-verbose-state-changes): New warning.
(-fanalyzer-verbosity=): New warning.
(-fdump-analyzer): New warning.
(-fdump-analyzer-callgraph): New warning.
(-fdump-analyzer-exploded-graph): New warning.
(-fdump-analyzer-exploded-nodes): New warning.
(-fdump-analyzer-exploded-nodes-2): New warning.
(-fdump-analyzer-exploded-nodes-3): New warning.
(-fdump-analyzer-supergraph): New warning.
* doc/sourcebuild.texi (dg-require-dot): New.
(dg-check-dot): New.
* gdbinit.in (break-on-saved-diagnostic): New command.
* graphviz.cc: New file.
* graphviz.h: New file.
* ordered-hash-map-tests.cc: New file.
* ordered-hash-map.h: New file.
* passes.def (pass_analyzer): Add before
pass_ipa_whole_program_visibility.
* selftest-run-tests.c (selftest::run_tests): Call
selftest::ordered_hash_map_tests_cc_tests.
* selftest.h (selftest::ordered_hash_map_tests_cc_tests): New
decl.
* shortest-paths.h: New file.
* timevar.def (TV_ANALYZER): New timevar.
(TV_ANALYZER_SUPERGRAPH): Likewise.
(TV_ANALYZER_STATE_PURGE): Likewise.
(TV_ANALYZER_PLAN): Likewise.
(TV_ANALYZER_SCC): Likewise.
(TV_ANALYZER_WORKLIST): Likewise.
(TV_ANALYZER_DUMP): Likewise.
(TV_ANALYZER_DIAGNOSTICS): Likewise.
(TV_ANALYZER_SHORTEST_PATHS): Likewise.
* tree-pass.h (make_pass_analyzer): New decl.
* tristate.cc: New file.
* tristate.h: New file.
gcc/analyzer/ChangeLog:
* ChangeLog: New file.
* analyzer-selftests.cc: New file.
* analyzer-selftests.h: New file.
* analyzer.opt: New file.
* analysis-plan.cc: New file.
* analysis-plan.h: New file.
* analyzer-logging.cc: New file.
* analyzer-logging.h: New file.
* analyzer-pass.cc: New file.
* analyzer.cc: New file.
* analyzer.h: New file.
* call-string.cc: New file.
* call-string.h: New file.
* checker-path.cc: New file.
* checker-path.h: New file.
* constraint-manager.cc: New file.
* constraint-manager.h: New file.
* diagnostic-manager.cc: New file.
* diagnostic-manager.h: New file.
* engine.cc: New file.
* engine.h: New file.
* exploded-graph.h: New file.
* pending-diagnostic.cc: New file.
* pending-diagnostic.h: New file.
* program-point.cc: New file.
* program-point.h: New file.
* program-state.cc: New file.
* program-state.h: New file.
* region-model.cc: New file.
* region-model.h: New file.
* sm-file.cc: New file.
* sm-malloc.cc: New file.
* sm-malloc.dot: New file.
* sm-pattern-test.cc: New file.
* sm-sensitive.cc: New file.
* sm-signal.cc: New file.
* sm-taint.cc: New file.
* sm.cc: New file.
* sm.h: New file.
* state-purge.cc: New file.
* state-purge.h: New file.
* supergraph.cc: New file.
* supergraph.h: New file.
gcc/testsuite/ChangeLog:
* gcc.dg/analyzer/CVE-2005-1689-minimal.c: New test.
* gcc.dg/analyzer/abort.c: New test.
* gcc.dg/analyzer/alloca-leak.c: New test.
* gcc.dg/analyzer/analyzer-decls.h: New header.
* gcc.dg/analyzer/analyzer-verbosity-0.c: New test.
* gcc.dg/analyzer/analyzer-verbosity-1.c: New test.
* gcc.dg/analyzer/analyzer-verbosity-2.c: New test.
* gcc.dg/analyzer/analyzer.exp: New suite.
* gcc.dg/analyzer/attribute-nonnull.c: New test.
* gcc.dg/analyzer/call-summaries-1.c: New test.
* gcc.dg/analyzer/conditionals-2.c: New test.
* gcc.dg/analyzer/conditionals-3.c: New test.
* gcc.dg/analyzer/conditionals-notrans.c: New test.
* gcc.dg/analyzer/conditionals-trans.c: New test.
* gcc.dg/analyzer/data-model-1.c: New test.
* gcc.dg/analyzer/data-model-2.c: New test.
* gcc.dg/analyzer/data-model-3.c: New test.
* gcc.dg/analyzer/data-model-4.c: New test.
* gcc.dg/analyzer/data-model-5.c: New test.
* gcc.dg/analyzer/data-model-5b.c: New test.
* gcc.dg/analyzer/data-model-5c.c: New test.
* gcc.dg/analyzer/data-model-5d.c: New test.
* gcc.dg/analyzer/data-model-6.c: New test.
* gcc.dg/analyzer/data-model-7.c: New test.
* gcc.dg/analyzer/data-model-8.c: New test.
* gcc.dg/analyzer/data-model-9.c: New test.
* gcc.dg/analyzer/data-model-11.c: New test.
* gcc.dg/analyzer/data-model-12.c: New test.
* gcc.dg/analyzer/data-model-13.c: New test.
* gcc.dg/analyzer/data-model-14.c: New test.
* gcc.dg/analyzer/data-model-15.c: New test.
* gcc.dg/analyzer/data-model-16.c: New test.
* gcc.dg/analyzer/data-model-17.c: New test.
* gcc.dg/analyzer/data-model-18.c: New test.
* gcc.dg/analyzer/data-model-19.c: New test.
* gcc.dg/analyzer/data-model-path-1.c: New test.
* gcc.dg/analyzer/disabling.c: New test.
* gcc.dg/analyzer/dot-output.c: New test.
* gcc.dg/analyzer/double-free-lto-1-a.c: New test.
* gcc.dg/analyzer/double-free-lto-1-b.c: New test.
* gcc.dg/analyzer/double-free-lto-1.h: New header.
* gcc.dg/analyzer/equivalence.c: New test.
* gcc.dg/analyzer/explode-1.c: New test.
* gcc.dg/analyzer/explode-2.c: New test.
* gcc.dg/analyzer/factorial.c: New test.
* gcc.dg/analyzer/fibonacci.c: New test.
* gcc.dg/analyzer/fields.c: New test.
* gcc.dg/analyzer/file-1.c: New test.
* gcc.dg/analyzer/file-2.c: New test.
* gcc.dg/analyzer/function-ptr-1.c: New test.
* gcc.dg/analyzer/function-ptr-2.c: New test.
* gcc.dg/analyzer/function-ptr-3.c: New test.
* gcc.dg/analyzer/gzio-2.c: New test.
* gcc.dg/analyzer/gzio-3.c: New test.
* gcc.dg/analyzer/gzio-3a.c: New test.
* gcc.dg/analyzer/gzio.c: New test.
* gcc.dg/analyzer/infinite-recursion.c: New test.
* gcc.dg/analyzer/loop-2.c: New test.
* gcc.dg/analyzer/loop-2a.c: New test.
* gcc.dg/analyzer/loop-3.c: New test.
* gcc.dg/analyzer/loop-4.c: New test.
* gcc.dg/analyzer/loop.c: New test.
* gcc.dg/analyzer/malloc-1.c: New test.
* gcc.dg/analyzer/malloc-2.c: New test.
* gcc.dg/analyzer/malloc-3.c: New test.
* gcc.dg/analyzer/malloc-callbacks.c: New test.
* gcc.dg/analyzer/malloc-dce.c: New test.
* gcc.dg/analyzer/malloc-dedupe-1.c: New test.
* gcc.dg/analyzer/malloc-ipa-1.c: New test.
* gcc.dg/analyzer/malloc-ipa-10.c: New test.
* gcc.dg/analyzer/malloc-ipa-11.c: New test.
* gcc.dg/analyzer/malloc-ipa-12.c: New test.
* gcc.dg/analyzer/malloc-ipa-13.c: New test.
* gcc.dg/analyzer/malloc-ipa-2.c: New test.
* gcc.dg/analyzer/malloc-ipa-3.c: New test.
* gcc.dg/analyzer/malloc-ipa-4.c: New test.
* gcc.dg/analyzer/malloc-ipa-5.c: New test.
* gcc.dg/analyzer/malloc-ipa-6.c: New test.
* gcc.dg/analyzer/malloc-ipa-7.c: New test.
* gcc.dg/analyzer/malloc-ipa-8-double-free.c: New test.
* gcc.dg/analyzer/malloc-ipa-8-lto-a.c: New test.
* gcc.dg/analyzer/malloc-ipa-8-lto-b.c: New test.
* gcc.dg/analyzer/malloc-ipa-8-lto-c.c: New test.
* gcc.dg/analyzer/malloc-ipa-8-lto.h: New test.
* gcc.dg/analyzer/malloc-ipa-8-unchecked.c: New test.
* gcc.dg/analyzer/malloc-ipa-9.c: New test.
* gcc.dg/analyzer/malloc-macro-inline-events.c: New test.
* gcc.dg/analyzer/malloc-macro-separate-events.c: New test.
* gcc.dg/analyzer/malloc-macro.h: New header.
* gcc.dg/analyzer/malloc-many-paths-1.c: New test.
* gcc.dg/analyzer/malloc-many-paths-2.c: New test.
* gcc.dg/analyzer/malloc-many-paths-3.c: New test.
* gcc.dg/analyzer/malloc-paths-1.c: New test.
* gcc.dg/analyzer/malloc-paths-10.c: New test.
* gcc.dg/analyzer/malloc-paths-2.c: New test.
* gcc.dg/analyzer/malloc-paths-3.c: New test.
* gcc.dg/analyzer/malloc-paths-4.c: New test.
* gcc.dg/analyzer/malloc-paths-5.c: New test.
* gcc.dg/analyzer/malloc-paths-6.c: New test.
* gcc.dg/analyzer/malloc-paths-7.c: New test.
* gcc.dg/analyzer/malloc-paths-8.c: New test.
* gcc.dg/analyzer/malloc-paths-9.c: New test.
* gcc.dg/analyzer/malloc-vs-local-1a.c: New test.
* gcc.dg/analyzer/malloc-vs-local-1b.c: New test.
* gcc.dg/analyzer/malloc-vs-local-2.c: New test.
* gcc.dg/analyzer/malloc-vs-local-3.c: New test.
* gcc.dg/analyzer/malloc-vs-local-4.c: New test.
* gcc.dg/analyzer/operations.c: New test.
* gcc.dg/analyzer/params-2.c: New test.
* gcc.dg/analyzer/params.c: New test.
* gcc.dg/analyzer/paths-1.c: New test.
* gcc.dg/analyzer/paths-1a.c: New test.
* gcc.dg/analyzer/paths-2.c: New test.
* gcc.dg/analyzer/paths-3.c: New test.
* gcc.dg/analyzer/paths-4.c: New test.
* gcc.dg/analyzer/paths-5.c: New test.
* gcc.dg/analyzer/paths-6.c: New test.
* gcc.dg/analyzer/paths-7.c: New test.
* gcc.dg/analyzer/pattern-test-1.c: New test.
* gcc.dg/analyzer/pattern-test-2.c: New test.
* gcc.dg/analyzer/pointer-merging.c: New test.
* gcc.dg/analyzer/pr61861.c: New test.
* gcc.dg/analyzer/pragma-1.c: New test.
* gcc.dg/analyzer/scope-1.c: New test.
* gcc.dg/analyzer/sensitive-1.c: New test.
* gcc.dg/analyzer/setjmp-1.c: New test.
* gcc.dg/analyzer/setjmp-2.c: New test.
* gcc.dg/analyzer/setjmp-3.c: New test.
* gcc.dg/analyzer/setjmp-4.c: New test.
* gcc.dg/analyzer/setjmp-5.c: New test.
* gcc.dg/analyzer/setjmp-6.c: New test.
* gcc.dg/analyzer/setjmp-7.c: New test.
* gcc.dg/analyzer/setjmp-7a.c: New test.
* gcc.dg/analyzer/setjmp-8.c: New test.
* gcc.dg/analyzer/setjmp-9.c: New test.
* gcc.dg/analyzer/signal-1.c: New test.
* gcc.dg/analyzer/signal-2.c: New test.
* gcc.dg/analyzer/signal-3.c: New test.
* gcc.dg/analyzer/signal-4a.c: New test.
* gcc.dg/analyzer/signal-4b.c: New test.
* gcc.dg/analyzer/strcmp-1.c: New test.
* gcc.dg/analyzer/switch.c: New test.
* gcc.dg/analyzer/taint-1.c: New test.
* gcc.dg/analyzer/zlib-1.c: New test.
* gcc.dg/analyzer/zlib-2.c: New test.
* gcc.dg/analyzer/zlib-3.c: New test.
* gcc.dg/analyzer/zlib-4.c: New test.
* gcc.dg/analyzer/zlib-5.c: New test.
* gcc.dg/analyzer/zlib-6.c: New test.
* lib/gcc-defs.exp (dg-check-dot): New procedure.
* lib/target-supports.exp (check_dot_available): New procedure.
(check_effective_target_analyzer): New.
* lib/target-supports-dg.exp (dg-require-dot): New procedure.
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