In constifying some more of line-map I discovered gengtype didn't know mutable.
Added thusly.
nathan
--
Nathan Sidwell
2019-10-13 Nathan Sidwell <nat...@acm.org>
* gengtype-lex.l (CXX_KEYWORD): Add 'mutable'.
Index: gcc/gengtype-lex.l
===================================================================
--- gcc/gengtype-lex.l (revision 275726)
+++ gcc/gengtype-lex.l (working copy)
@@ -58,7 +58,7 @@ ITYPE {IWORD}({WS}{IWORD})*
/* Include '::' in identifiers to capture C++ scope qualifiers. */
ID {CID}({HWS}::{HWS}{CID})*
EOID [^[:alnum:]_]
-CXX_KEYWORD inline|public:|private:|protected:|template|operator|friend|static
+CXX_KEYWORD inline|public:|private:|protected:|template|operator|friend|static|mutable
%x in_struct in_struct_comment in_comment
%option warn noyywrap nounput nodefault perf-report
