fix Issue 13600 - ICE in dwarf.c line 1949 with -g enabled and lazy void parameter
mangle C++ basic_string, basic_istream, basic_ostream, basic_iostream
Merge pull request #4061 from WalterBright/fix13600

fix Issue 13600 - ICE in dwarf.c line 1949 with -g enabled and lazy void...
fix Issue 13609 - better error message for missing '}'
Merge pull request #4065 from 9rnsr/fix13609

Issue 13609 - better error message for missing '}'
Merge pull request #4059 from WalterBright/basic_string

mangle C++ basic_string, basic_istream, basic_ostream, basic_iostream