[Bug c++/16687] New: GDB Reports Incorrect Hexadecimal Value when adding floats

[Bug c++/16687] New: GDB Reports Incorrect Hexadecimal Value when adding floats

[i.kerseymer at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=16687

            Bug ID: 16687
           Summary: GDB Reports Incorrect Hexadecimal Value when adding
                    floats
           Product: gdb
           Version: 7.4
            Status: NEW
          Severity: normal
          Priority: P2
         Component: c++
          Assignee: unassigned at sourceware dot org
          Reporter: i.kerseymer at gmail dot com

Created attachment 7462
  --> https://sourceware.org/bugzilla/attachment.cgi?id=7462&action=edit
Example

#include <stdio.h>

float value = 3.1415 + 299792458;

int main()
{

    fprintf(stdout, "Value is %f\n", value);

    return 0;
}


this program, when not compiled with -g flag reports "sum" as being ==
0x4d8ef3c2

with -g flag, it reports it as being == 0x11de7840

all you need to run is $ p/x value to see the behavior

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[Bug c++/16687] GDB Reports Incorrect Hexadecimal Value when adding floats

[tromey at sourceware dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=16687

Tom Tromey <tromey at sourceware dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |DUPLICATE
                 CC|                            |tromey at sourceware dot org
             Status|NEW                         |RESOLVED

--- Comment #2 from Tom Tromey <tromey at sourceware dot org> ---
Without -g, you have to cast by hand.

With -g, /x does something expected for floats.
Marking this a dup.

*** This bug has been marked as a duplicate of bug 16242 ***

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