cppmacro.c (paste_tokens): Only allow / to paste with =.

	* cppmacro.c (paste_tokens): Only allow / to paste with =.
testsuite:
	* gcc.dg/cpp/paste13.c: New test.

From-SVN: r57978

gcc/ChangeLog

+2002-10-09  Neil Booth  <neil@daikokuya.co.uk>
+
+	* cppmacro.c (paste_tokens): Only allow / to paste with =.
+
 2002-10-09  David Edelsohn  <edelsohn@gnu.org>
 
 	* config/rs6000/rs6000.md (movdf splitter): Use gen_int_mode on

gcc/cppmacro.c

@@ -442,8 +442,7 @@ paste_tokens (pfile, plhs, rhs)
      It is simpler to insert a space here, rather than modifying the
      lexer to ignore comments in some circumstances.  Simply returning
      false doesn't work, since we want to clear the PASTE_LEFT flag.  */
-  if (lhs->type == CPP_DIV
-      && (rhs->type == CPP_MULT || rhs->type == CPP_DIV))
+  if (lhs->type == CPP_DIV && rhs->type != CPP_EQ)
     *end++ = ' ';
   end = cpp_spell_token (pfile, rhs, end);
   *end = '\0';

gcc/testsuite/ChangeLog

+2002-10-09  Neil Booth  <neil@daikokuya.co.uk>
+
+	* gcc.dg/cpp/paste13.c: New test.
+
 2002-10-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
 	* gcc.c-torture/execute/20020720-1.x: Take out sparc XFAILs.  For

gcc/testsuite/gcc.dg/cpp/paste13.c

+/* Copyright (C) 2000 Free Software Foundation, Inc.  */
+
+/* { dg-do preprocess } */
+
+/* This used to be recognized as a comment when lexing after pasting
+   spellings.  Neil Booth, 9 Oct 2002.  */
+
+#define a /##/=
+a			/* { dg-warning "valid preprocessing tok" } */