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from ca145c6306f tree-optimization/105263 - reassoc and DFP new 31350635bfd d: Merge upstream dmd 4d1bfcf14, druntime 9ba9a6ae, phobos [...]

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Summary of changes: gcc/d/Make-lang.in | 2 + gcc/d/d-ctfloat.cc | 3 +- gcc/d/dmd/MERGE | 2 +- gcc/d/dmd/README.md | 2 + gcc/d/dmd/VERSION | 2 +- gcc/d/dmd/arrayop.d | 2 +- gcc/d/dmd/attrib.d | 58 +++-- gcc/d/dmd/common/README.md | 1 + gcc/d/dmd/common/bitfields.d | 70 +++++ gcc/d/dmd/common/file.d | 4 + gcc/d/dmd/common/outbuffer.d | 4 + gcc/d/dmd/common/string.d | 4 + gcc/d/dmd/constfold.d | 2 +- gcc/d/dmd/ctfeexpr.d | 4 +- gcc/d/dmd/dcast.d | 12 +- gcc/d/dmd/declaration.d | 23 +- gcc/d/dmd/dmangle.d | 10 +- gcc/d/dmd/dmodule.d | 24 +- gcc/d/dmd/dsymbol.d | 82 +++--- gcc/d/dmd/dsymbolsem.d | 15 +- gcc/d/dmd/dtemplate.d | 6 +- gcc/d/dmd/escape.d | 51 ++-- gcc/d/dmd/expression.d | 3 +- gcc/d/dmd/expressionsem.d | 160 ++++++------ gcc/d/dmd/file_manager.d | 33 +-- gcc/d/dmd/hdrgen.d | 282 +++++++++++++-------- gcc/d/dmd/id.d | 1 + gcc/d/dmd/initsem.d | 26 +- gcc/d/dmd/json.d | 5 +- gcc/d/dmd/lexer.d | 8 +- gcc/d/dmd/mtype.d | 77 +++--- gcc/d/dmd/mtype.h | 2 +- gcc/d/dmd/mustuse.d | 244 ++++++++++++++++++ gcc/d/dmd/opover.d | 4 +- gcc/d/dmd/optimize.d | 36 ++- gcc/d/dmd/root/aav.d | 2 + gcc/d/dmd/root/array.d | 2 +- gcc/d/dmd/root/complex.d | 4 + gcc/d/dmd/root/file.d | 10 +- gcc/d/dmd/root/longdouble.d | 2 + gcc/d/dmd/root/optional.d | 4 + gcc/d/dmd/semantic2.d | 2 +- gcc/d/dmd/statementsem.d | 4 +- gcc/d/dmd/tokens.d | 2 +- gcc/d/dmd/traits.d | 80 ++---- gcc/d/dmd/typesem.d | 29 ++- gcc/d/dmd/utils.d | 7 +- gcc/d/expr.cc | 10 + .../gdc.test/compilable/extra-files/header1.d | 10 + .../gdc.test/compilable/imports/imp17434a.d | 1 + .../gdc.test/compilable/imports/imp17434b.d | 6 + gcc/testsuite/gdc.test/compilable/interpret3.d | 102 +++++++- gcc/testsuite/gdc.test/compilable/json.d | 4 +- gcc/testsuite/gdc.test/compilable/mixintype2.d | 6 + .../gdc.test/compilable/must_use_assign.d | 9 + .../gdc.test/compilable/must_use_not_reserved.d | 5 + .../gdc.test/compilable/must_use_opassign.d | 15 ++ .../gdc.test/compilable/must_use_opopassign.d | 15 ++ .../gdc.test/compilable/must_use_opunary.d | 18 ++ .../gdc.test/compilable/must_use_suppress.d | 10 + gcc/testsuite/gdc.test/compilable/test17419.d | 5 +- gcc/testsuite/gdc.test/compilable/test17434.d | 11 + gcc/testsuite/gdc.test/compilable/test17434a.d | 5 + gcc/testsuite/gdc.test/compilable/test19097.d | 40 +++ gcc/testsuite/gdc.test/compilable/test22988.d | 15 ++ gcc/testsuite/gdc.test/compilable/test22997.d | 14 + .../gdc.test/fail_compilation/diag14235.d | 4 +- gcc/testsuite/gdc.test/fail_compilation/diag8101.d | 2 +- .../gdc.test/fail_compilation/diag_funclit.d | 2 +- gcc/testsuite/gdc.test/fail_compilation/diagin.d | 2 +- gcc/testsuite/gdc.test/fail_compilation/fail2656.d | 28 +- gcc/testsuite/gdc.test/fail_compilation/fail99.d | 2 +- gcc/testsuite/gdc.test/fail_compilation/fix19059.d | 2 +- gcc/testsuite/gdc.test/fail_compilation/ice10922.d | 2 +- gcc/testsuite/gdc.test/fail_compilation/ice9540.d | 2 +- gcc/testsuite/gdc.test/fail_compilation/must_use.d | 16 ++ .../gdc.test/fail_compilation/must_use_comma.d | 17 ++ .../gdc.test/fail_compilation/must_use_opunary.d | 21 ++ .../gdc.test/fail_compilation/must_use_reserved.d | 20 ++ .../gdc.test/fail_compilation/must_use_template.d | 16 ++ .../gdc.test/fail_compilation/must_use_union.d | 16 ++ .../gdc.test/fail_compilation/test11176.d | 6 +- .../gdc.test/fail_compilation/test17284.d | 6 +- .../gdc.test/fail_compilation/test19097.d | 64 ++++- .../gdc.test/fail_compilation/test21008.d | 6 +- gcc/testsuite/gdc.test/runnable/test20603.d | 31 +++ gcc/testsuite/gdc.test/runnable/xtest46.d | 86 ++++++- libphobos/libdruntime/MERGE | 2 +- libphobos/libdruntime/core/int128.d | 156 +++++++----- libphobos/libdruntime/core/lifetime.d | 20 +- libphobos/src/MERGE | 2 +- libphobos/src/etc/c/zlib.d | 211 ++++++++------- libphobos/src/std/regex/internal/parser.d | 2 +- 93 files changed, 1787 insertions(+), 670 deletions(-) create mode 100644 gcc/d/dmd/common/bitfields.d create mode 100644 gcc/d/dmd/mustuse.d create mode 100644 gcc/testsuite/gdc.test/compilable/imports/imp17434a.d create mode 100644 gcc/testsuite/gdc.test/compilable/imports/imp17434b.d create mode 100644 gcc/testsuite/gdc.test/compilable/must_use_assign.d create mode 100644 gcc/testsuite/gdc.test/compilable/must_use_not_reserved.d create mode 100644 gcc/testsuite/gdc.test/compilable/must_use_opassign.d create mode 100644 gcc/testsuite/gdc.test/compilable/must_use_opopassign.d create mode 100644 gcc/testsuite/gdc.test/compilable/must_use_opunary.d create mode 100644 gcc/testsuite/gdc.test/compilable/must_use_suppress.d create mode 100644 gcc/testsuite/gdc.test/compilable/test17434.d create mode 100644 gcc/testsuite/gdc.test/compilable/test17434a.d create mode 100644 gcc/testsuite/gdc.test/compilable/test22988.d create mode 100644 gcc/testsuite/gdc.test/compilable/test22997.d create mode 100644 gcc/testsuite/gdc.test/fail_compilation/must_use.d create mode 100644 gcc/testsuite/gdc.test/fail_compilation/must_use_comma.d create mode 100644 gcc/testsuite/gdc.test/fail_compilation/must_use_opunary.d create mode 100644 gcc/testsuite/gdc.test/fail_compilation/must_use_reserved.d create mode 100644 gcc/testsuite/gdc.test/fail_compilation/must_use_template.d create mode 100644 gcc/testsuite/gdc.test/fail_compilation/must_use_union.d create mode 100644 gcc/testsuite/gdc.test/runnable/test20603.d