https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98941
Marek Polacek <mpolacek at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |FIXED Status|ASSIGNED |RESOLVED --- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> --- Implemented: commit 1f69e63cfcc664fd7382dd877846007652a01dcf Author: Ed Smith-Rowland <3dw...@verizon.net> Date: Tue Feb 2 16:11:57 2021 -0500 c++: Implement C++23 P0330 - Literal Suffixes for ptrdiff_t and size_t. Integer literal suffixes for signed size ('z') and unsigned size (some permutation od 'zu') are provided as a language addition. gcc/c-family/ChangeLog: * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_size_t_suffix. * c-lex.c (interpret_integer): Set node type for size literal. libcpp/ChangeLog: * expr.c (interpret_int_suffix): Detect 'z' integer suffix. (cpp_classify_number): Compat warning for use of 'z' suffix. * include/cpplib.h (struct cpp_options): New flag. (enum cpp_warning_reason): New flag. (CPP_N_USERDEF): Comment C++0x -> C++11. (CPP_N_SIZE_T): New flag for cpp_classify_number. * init.c (cpp_set_lang): Initialize new flag. gcc/testsuite/ChangeLog: * g++.dg/cpp0x/udlit-shadow-neg.C: Test for 'z' and 'zu' shadowing. * g++.dg/cpp23/feat-cxx2b.C: New test. * g++.dg/cpp23/size_t-literals.C: New test. * g++.dg/warn/Wsize_t-literals.C: New test.