Re: g++ bugs

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1 total messages Started by Donn Seeley Tue, 25 Jul 1989 00:29

#294

Author: Donn Seeley
Date: Tue, 25 Jul 1989 00:29

37 lines
1808 bytes

	typedef int (*PF)();
	class foo_c { PF fp; public: void m(); };
	void foo_c::m() { return fp(); }

G++ 1.35.0 produces the error message 'component `fp' is not a method'.

There appears to be a logic error in the function hack_identifier in
cplus-method.c, which persists in G++ 1.35.1 (which we aren't running
since we're waiting for 1.36.0).  The special case of a data member
that is a pointer to a function or to a member function is incorrectly
recognized; here's the fix I made:

*** /tmp/,RCSt1009094	Mon Jul 24 18:17:24 1989
--- cplus-method.c	Mon Jul 24 17:50:04 1989
***************
*** 2171,2178 ****
  		&& TREE_CODE (type) != FUNCTION_TYPE
  		&& TREE_CODE (type) != METHOD_TYPE
  		&& (TREE_CODE (type) != POINTER_TYPE
! 		    || TREE_CODE (TREE_TYPE (type)) != FUNCTION_TYPE
! 		    || TREE_CODE (TREE_TYPE (type)) != METHOD_TYPE))
  	    {
  	      error ("component `%s' is not a method",
  		     IDENTIFIER_POINTER (name));
--- 2171,2178 ----
  		&& TREE_CODE (type) != FUNCTION_TYPE
  		&& TREE_CODE (type) != METHOD_TYPE
  		&& (TREE_CODE (type) != POINTER_TYPE
! 		    || (TREE_CODE (TREE_TYPE (type)) != FUNCTION_TYPE
! 			&& TREE_CODE (TREE_TYPE (type)) != METHOD_TYPE)))
  	    {
  	      error ("component `%s' is not a method",
  		     IDENTIFIER_POINTER (name));

Donn Seeley    University of Utah CS Dept    donn@cs.utah.edu
40 46' 6"N 111 50' 34"W    (801) 581-5668    utah-cs!donn

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