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from 61998ffb294 2017-05-24 Eli Zaretskii eliz@gnu.org * libiberty/waitp [...] new 645b0f8d936 PR c/80731 - poor -Woverflow warnings new 220a51b0690 PR c++/80544 strip cv-quals from cast results

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Summary of changes: gcc/c-family/ChangeLog | 13 ++ gcc/c-family/c-common.c | 55 ++++-- gcc/c-family/c-common.h | 4 +- gcc/c-family/c-warn.c | 194 +++++++++++++++------ gcc/c/ChangeLog | 6 + gcc/c/c-fold.c | 4 +- gcc/c/c-typeck.c | 2 +- gcc/cp/ChangeLog | 16 ++ gcc/cp/call.c | 4 +- gcc/cp/decl.c | 1 + gcc/cp/typeck.c | 50 +++++- gcc/testsuite/ChangeLog | 48 +++++ gcc/testsuite/c-c++-common/Wfloat-conversion.c | 48 ++--- .../c-c++-common/dfp/convert-int-saturate.c | 18 +- gcc/testsuite/c-c++-common/pr68657-1.c | 4 +- gcc/testsuite/g++.dg/expr/cast11.C | 41 +++++ gcc/testsuite/g++.dg/ext/utf-cvt.C | 18 +- gcc/testsuite/g++.dg/ext/utf16-4.C | 4 +- .../g++.dg/warn/Wconversion-real-integer-3.C | 2 +- .../g++.dg/warn/Wconversion-real-integer2.C | 2 +- gcc/testsuite/g++.dg/warn/Wconversion3.C | 6 +- gcc/testsuite/g++.dg/warn/Wconversion4.C | 2 +- gcc/testsuite/g++.dg/warn/Wsign-conversion.C | 40 ++--- gcc/testsuite/g++.dg/warn/overflow-warn-1.C | 10 +- gcc/testsuite/g++.dg/warn/overflow-warn-3.C | 14 +- gcc/testsuite/g++.dg/warn/overflow-warn-4.C | 14 +- gcc/testsuite/g++.dg/warn/pr35635.C | 2 +- gcc/testsuite/g++.old-deja/g++.mike/enum1.C | 2 +- gcc/testsuite/gcc.dg/Wconversion-3.c | 2 +- gcc/testsuite/gcc.dg/Wconversion-5.c | 6 +- gcc/testsuite/gcc.dg/Wconversion-complex-c99.c | 4 +- gcc/testsuite/gcc.dg/Wconversion-complex-gnu.c | 30 ++-- gcc/testsuite/gcc.dg/Wconversion-integer.c | 44 ++--- gcc/testsuite/gcc.dg/Wsign-conversion.c | 48 ++--- gcc/testsuite/gcc.dg/bitfld-2.c | 12 +- gcc/testsuite/gcc.dg/c90-const-expr-11.c | 2 +- gcc/testsuite/gcc.dg/c90-const-expr-7.c | 6 +- gcc/testsuite/gcc.dg/c99-const-expr-7.c | 6 +- gcc/testsuite/gcc.dg/overflow-warn-1.c | 10 +- gcc/testsuite/gcc.dg/overflow-warn-2.c | 10 +- gcc/testsuite/gcc.dg/overflow-warn-3.c | 14 +- gcc/testsuite/gcc.dg/overflow-warn-4.c | 16 +- gcc/testsuite/gcc.dg/overflow-warn-5.c | 2 +- gcc/testsuite/gcc.dg/overflow-warn-8.c | 2 +- gcc/testsuite/gcc.dg/overflow-warn-9.c | 64 +++++++ gcc/testsuite/gcc.dg/pr35635.c | 4 +- gcc/testsuite/gcc.dg/pr59940.c | 8 +- gcc/testsuite/gcc.dg/pr59963-2.c | 29 ++- gcc/testsuite/gcc.dg/pr60114.c | 30 ++-- gcc/testsuite/gcc.dg/switch-warn-2.c | 2 +- gcc/testsuite/gcc.dg/utf-cvt.c | 18 +- gcc/testsuite/gcc.dg/utf16-4.c | 4 +- 52 files changed, 669 insertions(+), 328 deletions(-) create mode 100644 gcc/testsuite/g++.dg/expr/cast11.C create mode 100644 gcc/testsuite/gcc.dg/overflow-warn-9.c