tccpp: allow .. in token stream

for gas comments lonely on a line such as

    # .. more stuff

where tcc would try to parse .. as a preprocessor directive

See also: 0b3612631f49ba0c008635aaa46ecf8be2eefcf7

1 files changed, 7 insertions, 4 deletions

diff --git a/tccpp.c b/tccpp.c
index 57e1b2e..4dba954 100644
--- a/tccpp.c
+++ b/tccpp.c
@@ -2549,10 +2549,13 @@ maybe_newline:
             goto parse_num;
         } else if (c == '.') {
             PEEKC(c, p);
-            if (c != '.')
-		expect("'.'");
-            PEEKC(c, p);
-            tok = TOK_DOTS;
+            if (c == '.') {
+                p++;
+                tok = TOK_DOTS;
+            } else {
+                *--p = '.'; /* may underflow into file->unget[] */
+                tok = '.';
+            }
         } else {
             tok = '.';
         }