Re: c++/5665: gcc goes into endless loop on bad code

Re: c++/5665: gcc goes into endless loop on bad code

[lerdsuwa]

Synopsis: gcc goes into endless loop on bad code

State-Changed-From-To: open->analyzed
State-Changed-By: lerdsuwa
State-Changed-When: Sat Jun  1 08:02:02 2002
State-Changed-Why:
    Confirmed.  I still have an ICE on the main trunk though.

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=5665

Re: c++/5665: gcc goes into endless loop on bad code

[Reichelt]

The following reply was made to PR c++/5665; it has been noted by GNATS.

From: Reichelt <reichelt@igpm.rwth-aachen.de>
To: gcc-gnats@gcc.gnu.org, bergur@tern.is, gcc-bugs@gcc.gnu.org,
        nobody@gcc.gnu.org
Cc:  
Subject: Re: c++/5665: gcc goes into endless loop on bad code
Date: Fri, 31 May 2002 17:35:40 +0200

 Hi,
 
 the PR can probably be closed, since with gcc 3.1 the problems seem to
 have been fixed. I.e. the compiler neither enters an endless loop (as
 gcc 3.0.3 did) nor issues an ICE (as development versions of 3.1 did).
 
 Greetings,
 Volker Reichelt
 
 http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=5665
 
 

Re: c++/5665: gcc goes into endless loop on bad code

[Reichelt]

The following reply was made to PR c++/5665; it has been noted by GNATS.

From: Reichelt <reichelt@igpm.rwth-aachen.de>
To: gcc-gnats@gcc.gnu.org, bergur@tern.is, gcc-bugs@gcc.gnu.org,
        nobody@gcc.gnu.org
Cc:  
Subject: Re: c++/5665: gcc goes into endless loop on bad code
Date: Tue, 12 Feb 2002 17:06:04 +0100

 Hi,
 
 with gcc 3.1 20020202 (experimental) the code causes an ICE:
 
 [deleted lots of error messages]
 calc/fdps.h:865: parse error before `)' token
 calc/fdps.h:881: 'db_t' is used as a type, but is not defined as a type.
 calc/fdps.h:905: syntax error before `<' token
 calc/fdps.h:905: `MSG' was not declared in this scope
 calc/fdps.h:905: template argument 1 is invalid
 calc/fdps.h:905: tree check: expected class 't', have 'x' (error_mark) in 
    make_typename_type, at cp/decl.c:5689
 Please submit a full bug report, [etc.]
 
 The ICE can be reproduced with the following code snippet:
 
 ------------------snip here-----------------
 template<class T> class A
 {
     class B { X foo(); }; // illegal, X is undefined
 };
 
 template<class T> X A<T>::B::foo() {}
 ------------------snip here-----------------
 
 Just compile with "g++ -c" to the the following error message:
 
 bug.cpp:3: parse error before `)' token
 bug.cpp:6: syntax error before `<' token
 bug.cpp:6: `T' was not declared in this scope
 bug.cpp:6: template argument 1 is invalid
 bug.cpp:6: tree check: expected class 't', have 'x' (error_mark) in 
    make_typename_type, at cp/decl.c:5689
 Please submit a full bug report, [etc.]
 
 However, this reduced example compiles fine with gcc 3.0.3, i.e.
 a correct error message is emitted without ICE.
 
 Greetings,
 Volker Reichelt
 
 
 http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=5665