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Re: [C++ PATCH] Improve location info [1/many]

From: Jason Merrill <jason at redhat dot com>
To: "Joseph S. Myers" <joseph at codesourcery dot com>
Cc: Marek Polacek <polacek at redhat dot com>, GCC Patches <gcc-patches at gcc dot gnu dot org>
Date: Tue, 12 Aug 2014 13:02:09 -0400
Subject: Re: [C++ PATCH] Improve location info [1/many]
Authentication-results: sourceware.org; auth=none
References: <20140801115942 dot GG30336 at redhat dot com> <53E8FC91 dot 4090100 at redhat dot com> <20140812150922 dot GN2436 at redhat dot com> <53EA3F17 dot 5010608 at redhat dot com> <Pine dot LNX dot 4 dot 64 dot 1408121641190 dot 11174 at digraph dot polyomino dot org dot uk>

On 08/12/2014 12:48 PM, Joseph S. Myers wrote:

For C, it is definitely expected within the front end that anything that
is an integer constant expression is an INTEGER_CST and that a NOP_EXPR
wrapping an INTEGER_CST is something folded to an integer constant that is
neither an integer constant expression nor can appear in one.

Right, but that doesn't apply to the C++ front end, which doesadditional folding at the point where we require a constant expressionin order to handle constexpr.


Jason

References:
- [C++ PATCH] Improve location info [1/many]
  - From: Marek Polacek
- Re: [C++ PATCH] Improve location info [1/many]
  - From: Jason Merrill
- Re: [C++ PATCH] Improve location info [1/many]
  - From: Marek Polacek
- Re: [C++ PATCH] Improve location info [1/many]
  - From: Jason Merrill
- Re: [C++ PATCH] Improve location info [1/many]
  - From: Joseph S. Myers

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