Fix for ICE in clang due to infinite loop.

Mayur Pandey mayur.p at
Mon Mar 17 22:48:24 PDT 2014

Gentle Ping.

From: Eli Friedman 
Sent: Thursday, September 26, 2013 6:23 AM
To: mayur.p at ; Richard Smith 
Cc: cfe-commits at Commits 
Subject: Re: Re: Fix for ICE in clang due to infinite loop.

On Tue, Sep 24, 2013 at 11:48 PM, MAYUR PANDEY <mayur.p at> wrote:

  This is the similar way it has been fixed in gcc. They have kept a note of parent and they break the loop when it is again noticed. With the usage of global

  map there are no performance issues as such. Also please suggest the alternate way of fixing this issue.

I'm not an expert on overload resolution rules, so if you're certain we actually need a map to catch this case, that's fine, I guess.  (Richard, can you chime in?)

The rest of my feedback still applies.


  ------- Original Message -------

  Sender : Eli Friedman<eli.friedman at>

  Date : Sep 10, 2013 06:53 (GMT+09:00)

  Title : Re: Fix for ICE in clang due to infinite loop.

  On Mon, Sep 9, 2013 at 5:08 AM, MAYUR PANDEY <mayur.p at> wrote:


    Attached is the fix for Compiler crash caused by infinite loop when we try to compile the following code.

    struct A;

    struct B
      B (A const &); 

      B (B &); 

    struct A
      A (B);

    f (B const& b)
      return b; 


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