Merge 2020-11 CWG Motion 2

P0330R8 Literal Suffix for (signed) size_t

Author: tkoeppe

source/lex.tex

@@ -1045,8 +1045,10 @@
 \nontermdef{integer-suffix}\br
     unsigned-suffix \opt{long-suffix} \br
     unsigned-suffix \opt{long-long-suffix} \br
+    unsigned-suffix \opt{size-suffix} \br
     long-suffix \opt{unsigned-suffix} \br
-    long-long-suffix \opt{unsigned-suffix}
+    long-long-suffix \opt{unsigned-suffix} \br
+    size-suffix \opt{unsigned-suffix}
 \end{bnf}
 
 \begin{bnf}
@@ -1064,6 +1066,11 @@
     \terminal{ll  LL}
 \end{bnf}
 
+\begin{bnf}
+\nontermdef{size-suffix} \textnormal{one of}\br
+   \terminal{z  Z}
+\end{bnf}
+
 \pnum
 \indextext{literal!\idxcode{unsigned}}%
 \indextext{literal!\idxcode{long}}%
@@ -1177,6 +1184,21 @@
   \tcode{unsigned long long int}  &
   \tcode{unsigned long long int}\\
 and \tcode{ll} or \tcode{LL}  &
+                              &
+                              \\\hline
+\tcode{z} or \tcode{Z}                  &
+  the signed integer type corresponding &
+  the signed integer type \\
+                                        &
+  \qquad to \tcode{std::size_t}\iref{support.types.layout} &
+  \qquad corresponding to \tcode{std::size_t} \\
+                                        &
+                                        &
+  \tcode{std::size_t}\\\hline
+Both \tcode{u} or \tcode{U}   &
+  \tcode{std::size_t}         &
+  \tcode{std::size_t}         \\
+and \tcode{z} or \tcode{Z}  &
                               &
                               \\
 \end{floattable}

source/preprocessor.tex

@@ -1793,6 +1793,7 @@
 \defnxname{cpp_ref_qualifiers}                    & \tcode{200710L} \\ \rowsep
 \defnxname{cpp_return_type_deduction}             & \tcode{201304L} \\ \rowsep
 \defnxname{cpp_rvalue_references}                 & \tcode{200610L} \\ \rowsep
+\defnxname{cpp_size_t_suffix}                     & \tcode{202011L} \\ \rowsep
 \defnxname{cpp_sized_deallocation}                & \tcode{201309L} \\ \rowsep
 \defnxname{cpp_static_assert}                     & \tcode{201411L} \\ \rowsep
 \defnxname{cpp_structured_bindings}               & \tcode{201606L} \\ \rowsep