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from 6d0cb5b * testsuite/26_numerics/complex/requirements/constexpr.cc * [...] new f047900 Reimplement diagnostic_show_locus, introducing rich_location classes

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Summary of changes: gcc/ChangeLog | 95 +++ gcc/c-family/ChangeLog | 10 + gcc/c-family/c-common.c | 15 +- gcc/c-family/c-common.h | 4 +- gcc/c/ChangeLog | 9 + gcc/c/c-decl.c | 3 +- gcc/c/c-errors.c | 12 +- gcc/c/c-objc-common.c | 2 +- gcc/cp/ChangeLog | 7 + gcc/cp/error.c | 5 +- gcc/diagnostic-color.c | 5 +- gcc/diagnostic-core.h | 8 + gcc/diagnostic-show-locus.c | 755 ++++++++++++++++++--- gcc/diagnostic.c | 202 +++++- gcc/diagnostic.h | 54 +- gcc/fortran/ChangeLog | 21 + gcc/fortran/cpp.c | 13 +- gcc/fortran/error.c | 103 +-- gcc/genmatch.c | 35 +- gcc/input.c | 16 + gcc/pretty-print.c | 21 + gcc/pretty-print.h | 25 +- gcc/rtl-error.c | 3 +- gcc/testsuite/ChangeLog | 8 + .../gcc.dg/plugin/diagnostic-test-show-locus-bw.c | 149 ++++ .../plugin/diagnostic-test-show-locus-color.c | 158 +++++ .../plugin/diagnostic_plugin_test_show_locus.c | 326 +++++++++ gcc/testsuite/gcc.dg/plugin/plugin.exp | 3 + gcc/testsuite/lib/gcc-dg.exp | 1 + gcc/tree-diagnostic.c | 2 +- gcc/tree-pretty-print.c | 2 +- libcpp/ChangeLog | 19 + libcpp/errors.c | 7 +- libcpp/include/cpplib.h | 4 +- libcpp/include/line-map.h | 218 ++++++ libcpp/line-map.c | 130 ++++ 36 files changed, 2161 insertions(+), 289 deletions(-) create mode 100644 gcc/testsuite/gcc.dg/plugin/diagnostic-test-show-locus-bw.c create mode 100644 gcc/testsuite/gcc.dg/plugin/diagnostic-test-show-locus-color.c create mode 100644 gcc/testsuite/gcc.dg/plugin/diagnostic_plugin_test_show_locus.c