1 /* Copyright (C) 2000 Free Software Foundation, Inc.  */
2 /* { dg-do compile } */
3 /* { dg-options -save-temps } */
4 
5 /* Since 1.0e and + form the pasted token, 1 is a separate token and
6    so should be output with a preceding space.  The old preprocessor
7    gets this wrong.  We use -save-temps to avoid direct use of the
8    integrated preprocessor.  */
9 
10 #define glue(x, y) x ## y
11 
main()12 int main ()
13 {
14   double d = glue (1.0e, +1); /* { dg-error "exponent|parse error|syntax error|expected" } */
15   return 0;
16 }
17 
18 /* { dg-final { cleanup-saved-temps } } */
19