diff options
Diffstat (limited to 'gcc/c-lex.c')
| -rw-r--r-- | gcc/c-lex.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/c-lex.c b/gcc/c-lex.c index e745388..af3695f 100644 --- a/gcc/c-lex.c +++ b/gcc/c-lex.c @@ -333,6 +333,7 @@ c_lex_with_flags (tree *value, location_t *loc, unsigned char *cpp_flags) static bool no_more_pch; const cpp_token *tok; enum cpp_ttype type; + unsigned char add_flags = 0; timevar_push (TV_CPP); retry: @@ -366,6 +367,10 @@ c_lex_with_flags (tree *value, location_t *loc, unsigned char *cpp_flags) break; case CPP_N_INTEGER: + /* C++ uses '0' to mark virtual functions as pure. + Set PURE_ZERO to pass this information to the C++ parser. */ + if (tok->val.str.len == 1 && *tok->val.str.text == '0') + add_flags = PURE_ZERO; *value = interpret_integer (tok, flags); break; @@ -472,7 +477,7 @@ c_lex_with_flags (tree *value, location_t *loc, unsigned char *cpp_flags) } if (cpp_flags) - *cpp_flags = tok->flags; + *cpp_flags = tok->flags | add_flags; if (!no_more_pch) { |