Your message dated Sat, 18 Jun 2016 00:52:54 +0200 with message-id <[email protected]> and subject line closing bugs reported against ancient GCC versions has caused the Debian Bug report #509173, regarding [Fixed in 4.4] gdb: "no locals" in C++ constructors to be marked as done.
This means that you claim that the problem has been dealt with. If this is not the case it is now your responsibility to reopen the Bug report if necessary, and/or fix the problem forthwith. (NB: If you are a system administrator and have no idea what this message is talking about, this may indicate a serious mail system misconfiguration somewhere. Please contact [email protected] immediately.) -- 509173: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=509173 Debian Bug Tracking System Contact [email protected] with problems
--- Begin Message ---Package: gdb Version: 6.8-3, 6.8.50.20081210.python-1 Severity: normal It is very hard to debug something in C++ constructors because GDB failes to see any local variables in it. Consider this tiny example: <<< main.cpp >>> -8<- #include <string> #include <iostream> using std::string; class A { string str; public: A() { string sa = "aa"; string sb = "bb"; str = sa + sb; // debug me } void print() const { std::cout << str << '\n'; } }; int main() { A a; a.print(); } ->8- <<< GDB session >>> -8<- $ gdb main.e GNU gdb (GDB) 6.8.50.20081120-cvs-debian Copyright (C) 2008 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-linux-gnu". For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>... (gdb) b main.cpp:15 Breakpoint 1 at 0x400d7b: file main.cpp, line 15. (gdb) run Starting program: /home/jackyf/Work/Programming/linux/SmallTests/gdb-debugging-constructor/main.e Breakpoint 1, A (this=0x7fffffffe500) at main.cpp:15 15 str = sa + sb; (gdb) print sa No symbol "sa" in current context. (gdb) print sb No symbol "sb" in current context. (gdb) q ->8- -- System Information: Debian Release: 5.0 APT prefers unstable APT policy: (500, 'unstable'), (1, 'experimental') Architecture: amd64 (x86_64) Kernel: Linux 2.6.28-rc7jackyf (SMP w/2 CPU cores) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/bash Versions of packages gdb depends on: ii libc6 2.7-16 GNU C Library: Shared libraries ii libexpat1 2.0.1-4 XML parsing C library - runtime li ii libncurses5 5.7+20081129-1 shared libraries for terminal hand ii libreadline5 5.2-3 GNU readline and history libraries ii python2.5 2.5.2-14 An interactive high-level object-o ii zlib1g 1:1.2.3.3.dfsg-12 compression library - runtime gdb recommends no packages. Versions of packages gdb suggests: ii gdb-doc 6.8-1 The GNU Debugger Documentation -- no debconf information
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--- Begin Message ---This bug has been reported against an ancient version of gpc (4.1), gcc/g++/gfortran (4.3), or gcj/gij/gobjc (4.4), that was last released with Debian 6.0 (squeeze). But even squeeze-lts has now reached end-of-life and is no longer supported. The bug is assumed to be fixed (or no longer relevant) in newer GCC releases and therefore I'm closing this report now. If the problem is still reproducible in the currently supported versions (gcc-5, gcc-6 or corresponding g++/gcj), feel free to provide more information, reopen and reassign this bug report. Andreas
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