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From: "Claude at renegat dot net" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug c++/17970] New: cannot call any function or method with "print"
 or "call"
Date: Fri, 13 Feb 2015 15:51:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=17970

            Bug ID: 17970
           Summary: cannot call any function or method with "print" or
                    "call"
           Product: gdb
           Version: 7.8
            Status: NEW
          Severity: critical
          Priority: P2
         Component: c++
          Assignee: unassigned at sourceware dot org
          Reporter: Claude at renegat dot net

Steps to reproduce

foo.cpp contains:

#include <iostream>

int main()
{
    const char foo[] = "foo";
    std::cout << "foo=" << foo << std::endl;
}


Then:

$ g++ -D_DEBUG -g -o foo foo.cpp
$ gdb --args ./foo
(gdb) b foo.cpp:6
(gdb) r
Starting program: /tmp/foo 

Breakpoint 1, main () at foo.cpp:6
6        std::cout << "foo=" << foo << std::endl;
(gdb) p strlen(foo)

Program terminated with signal SIGSEGV, Segmentation fault.
The program no longer exists.
The program being debugged exited while in a function called from GDB.
Evaluation of the expression containing the function
(strlen) will be abandoned.

This occurs for *any* function or method call.

$ gdb --version
GNU gdb (Ubuntu 7.8-1ubuntu4) 7.8.0.20141001-cvs


$ uname -a
Linux pegasus 3.16.0-30-generic #40-Ubuntu SMP Mon Jan 12 22:06:37 UTC 2015
x86_64 x86_64 x86_64 GNU/Linux

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