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from 84c1a54 [PR libffi/65567] libffi: Fix, and simply libffi_feature_test new 1398da0 PR c/49859 * common.opt (Wswitch-unreachable): New option. [...]
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Summary of changes: gcc/ChangeLog | 10 +- gcc/common.opt | 5 + gcc/doc/invoke.texi | 36 ++++++- gcc/gimplify.c | 26 +++++ gcc/testsuite/ChangeLog | 28 +++++ gcc/testsuite/c-c++-common/Wswitch-unreachable-1.c | 116 +++++++++++++++++++++ gcc/testsuite/c-c++-common/goacc/sb-2.c | 6 +- gcc/testsuite/g++.dg/cpp0x/lambda/lambda-switch.C | 2 +- gcc/testsuite/g++.dg/gomp/block-10.C | 12 +-- gcc/testsuite/g++.dg/gomp/block-9.C | 2 +- gcc/testsuite/g++.dg/gomp/target-1.C | 2 +- gcc/testsuite/g++.dg/gomp/target-2.C | 2 +- gcc/testsuite/g++.dg/gomp/taskgroup-1.C | 2 +- gcc/testsuite/g++.dg/gomp/teams-1.C | 11 +- gcc/testsuite/g++.dg/overload/error3.C | 1 + gcc/testsuite/g++.dg/tm/jump1.C | 2 +- gcc/testsuite/g++.dg/torture/pr40335.C | 2 +- gcc/testsuite/gcc.dg/Wjump-misses-init-1.c | 2 +- gcc/testsuite/gcc.dg/Wswitch-unreachable-1.c | 35 +++++++ gcc/testsuite/gcc.dg/c99-vla-jump-5.c | 2 +- gcc/testsuite/gcc.dg/gomp/block-10.c | 12 +-- gcc/testsuite/gcc.dg/gomp/block-9.c | 2 +- gcc/testsuite/gcc.dg/gomp/target-1.c | 2 +- gcc/testsuite/gcc.dg/gomp/target-2.c | 2 +- gcc/testsuite/gcc.dg/gomp/taskgroup-1.c | 2 +- gcc/testsuite/gcc.dg/gomp/teams-1.c | 4 +- gcc/testsuite/gcc.dg/nested-func-1.c | 2 +- gcc/testsuite/gcc.dg/pr67784-4.c | 2 +- gcc/testsuite/gcc.dg/switch-warn-1.c | 2 +- 29 files changed, 294 insertions(+), 40 deletions(-) create mode 100644 gcc/testsuite/c-c++-common/Wswitch-unreachable-1.c create mode 100644 gcc/testsuite/gcc.dg/Wswitch-unreachable-1.c