+
−/* XWindows (as of 4.3) does some pretty strange things with cpp.
+
−   This tests one of them; the leading comments are supposed to be
+
−   eaten by the preprocessor; but the 'directives' after them are
+
−   supposed to be retained as text, not processed, so that imake's cpp
+
−   can be run on the output!
+
−   { dg-do preprocess }
+
−*/
+
−
+
−/**/#if 0
+
−passed
+
−/**/#endif
+
−
+
−/* { dg-final { scan-file xwin1.i "(^|\n)#if 0" } } */