[Bug c++/17274] New: -Winline complains about nonexistent destructor

[Bug c++/17274] New: -Winline complains about nonexistent destructor

[mckelvey at maskull dot com]

I don't understand the warnings below. There is no destructor supplied for
std::pair, so why a complaint about a missing body? And what does "function not
considered for inlining" mean? I'm also suspicious about the "growth limit",
since the code isn't very complicated. See attachment for all warnings and
source.


alpha1:PD>uname -a
Linux alpha1 2.4.9-40 #1 Mon Sep 23 08:14:02 EDT 2002 alpha unknown

alpha1:PD>g++ -v
Reading specs from /usr/local/lib/gcc/alphaev56-unknown-linux-gnu/3.5.0/specs
Configured with: ../gcc/configure --verbose --enable-languages=c++
Thread model: posix
gcc version 3.5.0 20040207 (experimental)

g++ configured with:
alpha1:PD>alias CONFIGURECVS
alias CONFIGURECVS='../gcc/configure --verbose --enable-languages=c++
--disable-nls >clog 2>&1'

g++ built with:
alpha1:PD>alias BUILD
alias BUILD='nice gmake CFLAGS='\'''\'' BOOT_CFLAGS='\''-O'\'' LIBCFLAGS='\''-g
-O'\'' LIBCXXFLAGS='\''-g -O'\'' bootstrap >log 2>&1'

/usr/local/bin/g++ -c -O3 -DNDEBUG      -D__USE_STRING_INLINES=1
-pedantic-errors -Werror -ansi -fno-common -fstrict-aliasing -Wall
-Wold-style-cast -Wsign-promo -Wpointer-arith -Wconversion -Wundef
-Wwrite-strings -Winvalid-pch -Woverloaded-virtual -Wcast-qual -Winline -Wextra
-MMD      -fimplicit-templates -o SymbolTable.o SymbolTable.cc

PDSymbolTable.h:675: warning: inlining failed in call to
'std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char>
>, __gnu_norm::deque<PatternDriver::pdboolean,
std::allocator<PatternDriver::pdboolean> > >::~pair()': function body not
available
/usr/local/lib/gcc/alphaev56-unknown-linux-gnu/3.5.0/../../../../include/c++/3.5.0/bits/stl_pair.h:91:
warning: called from here

PDSymbolTable.h:675: warning: inlining failed in call to 'std::pair<const
PatternDriver::pdstring, PatternDriver::pdbooleans>::~pair()': function not
considered for inlining
/usr/local/lib/gcc/alphaev56-unknown-linux-gnu/3.5.0/../../../../include/c++/3.5.0/bits/stl_map.h:360:
warning: called from here

PDSymbolTable.h:658: warning: inlining failed in call to
'std::pair<std::basic_string<char, std::char_traits<char>, std::allocator<char>
>, __gnu_norm::vector<PatternDriver::pdfloat,
std::allocator<PatternDriver::pdfloat> > >::~pair()': --param
large-function-growth limit reached while inlining the caller
/usr/local/lib/gcc/alphaev56-unknown-linux-gnu/3.5.0/../../../../include/c++/3.5.0/bits/stl_pair.h:86:
warning: called from here

-- 
           Summary: -Winline complains about nonexistent destructor
           Product: gcc
           Version: 3.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: mckelvey at maskull dot com
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: alphaev56-unknown-linux-gnu
  GCC host triplet: alphaev56-unknown-linux-gnu
GCC target triplet: alphaev56-unknown-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17274

[Bug c++/17274] -Winline complains about nonexistent destructor

[mckelvey at maskull dot com]

------- Additional Comments From mckelvey at maskull dot com  2004-09-02 00:36 -------
Created an attachment (id=7018)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=7018&action=view)
Log file from compile, and .ii source


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17274

[Bug c++/17274] -Winline complains about nonexistent destructor

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2004-09-02 01:01 -------
There are destructors even if there does not exist one in the code.  It is a method which is created by 
the compiler so maybe we should not be warning about it.

-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17274

[Bug c++/17274] -Winline complains about nonexistent destructor

[bangerth at dealii dot org]

------- Additional Comments From bangerth at dealii dot org  2004-09-07 23:19 -------
I can't reproduce this on my x86 linux machine. I realize you have a fairly 
old mainline snapshot, would you mind testing this again with a newer one? 
 
Thanks 
 Wolfgang 

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |WAITING


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17274

[Bug c++/17274] -Winline complains about nonexistent destructor

[mckelvey at maskull dot com]

------- Additional Comments From mckelvey at maskull dot com  2004-09-12 19:00 -------
Subject: Re:  -Winline complains about nonexistent destructor

On Tuesday 07 September 2004 16:19 pm, bangerth at dealii dot org wrote:
> ------- Additional Comments From bangerth at dealii dot org  2004-09-07
> 23:19 ------- I can't reproduce this on my x86 linux machine. I realize you
> have a fairly old mainline snapshot, would you mind testing this again with
> a newer one?
>

I managed to build finally from CVS, and this problem does not recur.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17274

[Bug c++/17274] [4.0 Regression] -Winline complains about nonexistent destructor

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2004-09-12 19:02 -------
So closing fixed.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |RESOLVED
           Keywords|                            |diagnostic
         Resolution|                            |FIXED
            Summary|-Winline complains about    |[4.0 Regression] -Winline
                   |nonexistent destructor      |complains about nonexistent
                   |                            |destructor
   Target Milestone|---                         |4.0.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17274

[Bug c++/17274] [4.0 Regression] -Winline complains about nonexistent destructor

[bangerth at dealii dot org]

------- Additional Comments From bangerth at dealii dot org  2004-09-12 23:24 -------
Thanks, James, for double-checking! 
 
W. 

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17274