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from 3c834d85f2e [RA]: Improve cost calculation of pseudos with equivalences new 4e1c5d5faf6 modula2: introduce case checking when switching on subranges new fd948fd846c gcc: xtensa: use salt/saltu in xtensa_expand_scc new d8b4d6c9de8 modula2: Add missing comments to M2CaseList.mod and add testcases new eaa8e854134 ggc, jit: forcibly clear GTY roots in jit new 8878f7ab1cb analyzer: use unique_ptr for rejected_constraint new 59f6185b59f analyzer: fix missing return in compatible_epath_p new 3a1e9f3ed7a diagnostics: support multithreaded diagnostic paths

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Summary of changes: gcc/analyzer/checker-event.h | 4 + gcc/analyzer/checker-path.h | 17 +- gcc/analyzer/diagnostic-manager.cc | 12 +- gcc/analyzer/engine.cc | 16 +- gcc/analyzer/exploded-graph.h | 9 +- gcc/analyzer/feasible-graph.cc | 7 +- gcc/analyzer/feasible-graph.h | 9 +- gcc/analyzer/region-model.cc | 35 +- gcc/analyzer/region-model.h | 10 +- gcc/config/xtensa/predicates.md | 2 +- gcc/config/xtensa/xtensa.cc | 55 +++ gcc/config/xtensa/xtensa.h | 1 + gcc/config/xtensa/xtensa.md | 20 + gcc/diagnostic-event-id.h | 5 + gcc/diagnostic-format-sarif.cc | 86 ++-- gcc/diagnostic-path.h | 55 ++- gcc/diagnostic-show-locus.cc | 16 +- gcc/diagnostic.cc | 78 +++- gcc/diagnostic.h | 3 +- gcc/dwarf2cfi.cc | 9 + gcc/dwarf2out.h | 1 + gcc/ggc-common.cc | 23 +- gcc/ggc.h | 2 + gcc/m2/gm2-compiler/M2CaseList.mod | 225 +++++++++-- gcc/m2/gm2-compiler/M2SymInit.mod | 111 +++--- gcc/m2/gm2-gcc/m2expr.cc | 20 + gcc/m2/gm2-gcc/m2expr.def | 15 +- gcc/m2/gm2-gcc/m2expr.h | 3 + ...nostic-test-paths-multithreaded-inline-events.c | 72 ++++ .../diagnostic-test-paths-multithreaded-sarif.c | 35 ++ ...stic-test-paths-multithreaded-separate-events.c | 18 + .../gcc.dg/plugin/diagnostic_plugin_test_paths.c | 94 ++++- gcc/testsuite/gcc.dg/plugin/plugin.exp | 3 + gcc/testsuite/gm2/switches/case/fail/calendar.mod | 24 ++ .../gm2/switches/case/fail/subrangecase.mod | 24 ++ .../gm2/switches/case/fail/subrangecase2.mod | 22 ++ .../gm2/switches/case/fail/subrangecase3.mod | 23 ++ .../gm2/switches/case/fail/subrangecase4.mod | 23 ++ .../gm2/switches/case/fail/subrangecase5.mod | 23 ++ .../gm2/switches/case/fail/subrangecase6.mod | 23 ++ .../gm2/switches/case/pass/subrangecase.mod | 24 ++ .../gm2/switches/case/pass/subrangecase2.mod | 22 ++ .../gm2/switches/case/pass/subrangecase3.mod | 23 ++ .../gm2/switches/case/pass/subrangecase4.mod | 21 + gcc/toplev.cc | 3 + gcc/tree-diagnostic-path.cc | 432 ++++++++++++++------- 46 files changed, 1441 insertions(+), 317 deletions(-) create mode 100644 gcc/testsuite/gcc.dg/plugin/diagnostic-test-paths-multithreaded [...] create mode 100644 gcc/testsuite/gcc.dg/plugin/diagnostic-test-paths-multithreaded [...] create mode 100644 gcc/testsuite/gcc.dg/plugin/diagnostic-test-paths-multithreaded [...] create mode 100644 gcc/testsuite/gm2/switches/case/fail/calendar.mod create mode 100644 gcc/testsuite/gm2/switches/case/fail/subrangecase.mod create mode 100644 gcc/testsuite/gm2/switches/case/fail/subrangecase2.mod create mode 100644 gcc/testsuite/gm2/switches/case/fail/subrangecase3.mod create mode 100644 gcc/testsuite/gm2/switches/case/fail/subrangecase4.mod create mode 100644 gcc/testsuite/gm2/switches/case/fail/subrangecase5.mod create mode 100644 gcc/testsuite/gm2/switches/case/fail/subrangecase6.mod create mode 100644 gcc/testsuite/gm2/switches/case/pass/subrangecase.mod create mode 100644 gcc/testsuite/gm2/switches/case/pass/subrangecase2.mod create mode 100644 gcc/testsuite/gm2/switches/case/pass/subrangecase3.mod create mode 100644 gcc/testsuite/gm2/switches/case/pass/subrangecase4.mod