[Bug target/57379] [4.9 Regression]: Segfault in invalidate_any_buried_refs (x=0x0) at ../../gcc-svn/trunk/gcc/gcse.c:3850

["ubizjak at gmail dot com" <gcc-bugzilla@gcc.gnu.org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57379

Uroš Bizjak <ubizjak at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |FIXED
   Target Milestone|4.9.0                       |4.7.4

--- Comment #2 from Uroš Bizjak <ubizjak at gmail dot com> ---
Fixed in mainline and backported to 4.8.1 and 4.7.4 branches.
>From gcc-bugs-return-424128-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Jun 10 18:52:10 2013
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From: "anass.lasram at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/57575] lvalue function accepted as an rvalue
Date: Mon, 10 Jun 2013 18:52:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57575

Anass Lasram <anass.lasram at gmail dot com> changed:

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         Resolution|---                         |INVALID

--- Comment #2 from Anass Lasram <anass.lasram at gmail dot com> ---
(In reply to Daniel Krügler from comment #1)
> Your assumptions are mistaken. In C++ it is valid to bind a function value
> to an rvalue reference of that function type. It is only so, that binding to
> an lvalue reference is preferred.
> 
> In other words, the following is valid as well:
> 
> float f() { return 0.f; }
> float (&&r)(void) = f;
> 
> See for example [over.ics.ref] p3 (emphasis mine):
> 
> "Except for an implicit object parameter, for which see 13.3.1, a standard
> conversion sequence cannot be formed if it requires [..] binding an rvalue
> reference to an lvalue **other than a function lvalue**."


Thanks Daniel for the rectification.
>From gcc-bugs-return-424129-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Jun 10 19:19:51 2013
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From: "drussel at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug preprocessor/57580] New: Repeated _Pragma message directives in macro causes problems
Date: Mon, 10 Jun 2013 19:19:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57580

            Bug ID: 57580
           Summary: Repeated _Pragma message directives in macro causes
                    problems
           Product: gcc
           Version: 4.7.2
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: preprocessor
          Assignee: unassigned at gcc dot gnu.org
          Reporter: drussel at gmail dot com

Input:
#define BROKEN                        \
  _Pragma("message(\"message0\")")               \
  _Pragma("message(\"message1\")")

BROKEN


Output:
gcc -c test.cpp
test.cpp:5:2: error: stray ‘#’ in program
test.cpp:5:27: note: #pragma message: message0
test.cpp:5:3: error: ‘pragma’ does not name a type

gcc 4.6.3 and clang are both happy with the code.
>From gcc-bugs-return-424130-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Jun 10 19:34:21 2013
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From: "jason at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug regression/57551] [4.9 Regression]: g++.dg/ext/visibility/anon6.C scan-assembler 1BIiE1cE
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http://gcc.gnu.org/bugzilla/show_bug.cgi?idW551

Jason Merrill <jason at gcc dot gnu.org> changed:

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----------------------------------------------------------------------------
           Assignee|jason at gcc dot gnu.org           |unassigned at gcc dot gnu.org

--- Comment #5 from Jason Merrill <jason at gcc dot gnu.org> ---
Reassigning since Honza has been working on this.