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from 341035a54aa c++: consteval-defarg1.C test variant for templates new 896048cf43d c++: Add __builtin_bit_cast to implement std::bit_cast [PR93121]
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Summary of changes: gcc/c-family/c-common.c | 1 + gcc/c-family/c-common.h | 2 +- gcc/cp/constexpr.c | 206 +++++++++++++++ gcc/cp/cp-gimplify.c | 5 + gcc/cp/cp-objcp-common.c | 2 + gcc/cp/cp-tree.def | 3 + gcc/cp/cp-tree.h | 2 + gcc/cp/cxx-pretty-print.c | 9 + gcc/cp/parser.c | 26 ++ gcc/cp/pt.c | 7 + gcc/cp/semantics.c | 71 ++++++ gcc/cp/tree.c | 2 + gcc/doc/extend.texi | 15 ++ gcc/fold-const.c | 440 +++++++++++++++++++++++++++++---- gcc/fold-const.h | 4 +- gcc/gimple-fold.c | 74 +++++- gcc/gimple-fold.h | 1 + gcc/testsuite/g++.dg/cpp2a/bit-cast1.C | 47 ++++ gcc/testsuite/g++.dg/cpp2a/bit-cast2.C | 57 +++++ gcc/testsuite/g++.dg/cpp2a/bit-cast3.C | 229 +++++++++++++++++ gcc/testsuite/g++.dg/cpp2a/bit-cast4.C | 44 ++++ gcc/testsuite/g++.dg/cpp2a/bit-cast5.C | 69 ++++++ 22 files changed, 1264 insertions(+), 52 deletions(-) create mode 100644 gcc/testsuite/g++.dg/cpp2a/bit-cast1.C create mode 100644 gcc/testsuite/g++.dg/cpp2a/bit-cast2.C create mode 100644 gcc/testsuite/g++.dg/cpp2a/bit-cast3.C create mode 100644 gcc/testsuite/g++.dg/cpp2a/bit-cast4.C create mode 100644 gcc/testsuite/g++.dg/cpp2a/bit-cast5.C