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from 2316fe27904 libstdc++: Add dg-output to two tests new 8c0ea9320ce fold-const: Fix up multiple_of_p [PR112733] new a982b9cb690 c++: Unshare folded SAVE_EXPR arguments during cp_fold [PR112727] new 4106a0f854f extend.texi: Mark builtin arguments with @var{...}

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Summary of changes: gcc/cp/cp-gimplify.cc | 9 +- gcc/doc/extend.texi | 282 ++++++++++++++-------------- gcc/fold-const.cc | 2 +- gcc/testsuite/c-c++-common/ubsan/pr112727.c | 17 ++ gcc/testsuite/gcc.dg/pr112733.c | 16 ++ 5 files changed, 183 insertions(+), 143 deletions(-) create mode 100644 gcc/testsuite/c-c++-common/ubsan/pr112727.c create mode 100644 gcc/testsuite/gcc.dg/pr112733.c