(rescan): Insert a space after `.' as well, to prevent accidental token-pasting (e.g.

(rescan): Insert a space after `.' as well, to prevent accidental
token-pasting (e.g. `.x' -> `.10').

From-SVN: r13578

gcc/cccp.c

@@ -3414,9 +3414,9 @@ randomchar:
 	      if (!traditional && obp != op->buf) {
 		switch (obp[-1]) {
 		case '!':  case '%':  case '&':  case '*':
-		case '+':  case '-':  case '/':  case ':':
-		case '<':  case '=':  case '>':  case '^':
-		case '|':
+		case '+':  case '-':  case '.':  case '/':
+		case ':':  case '<':  case '=':  case '>':
+		case '^':  case '|':
 		  /* If we are expanding a macro arg, make a newline marker
 		     to separate the tokens.  If we are making real output,
 		     a plain space will do.  */