--- Additional Comments From david dot moore at intel dot com 2005-02-18
17:56 ---
As the person who has been working on similar problems in the Intel Compiler,
Martin and I had some lengthy discussions about this during which he convinced
me he was correct.
The result was issue 475
Large values (that should produce inf, produce a bogus result instead.
For example, 1.0e+309 produces 1.39065e-309 on gcc 3.4.3!
Here is the trivial program:
#include
#include
using namespace std;
int main()
{
double a,b;
cout << "Enter a (Using cin):";
cin >> a;
printf ("Enter b (
Large values (that should produce inf, produce a bogus result instead.
For example, 1.0e+309 produces 1.39065e-309 on gcc 3.4.3!
Here is the trivial program:
#include
#include
using namespace std;
int main()
{
double a,b;
cout << "Enter a (Using cin):";
cin >> a;
printf ("Enter b (
--- Additional Comments From david dot moore at intel dot com 2005-03-11
21:39 ---
Oops - this happened when I hit refresh to see Paulo's comments. Instead it
resubmitted the bug! Very strange.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20433
: unassigned at gcc dot gnu dot org
ReportedBy: david dot moore at intel dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24559
--- Comment #45 from david dot moore at intel dot com 2006-02-10 22:34
---
The (C99) standard says:
6.7.2.1 (10) An implementation may allocate any addressable storage unit large
enough to hold a bitfield.
and
6.7.2.1 (11) As a special case, a bit-field structure member with a width
--- Comment #46 from david dot moore at intel dot com 2006-02-11 00:14
---
(Note - I had not realized the importance of pragma pack to this problem. The
fact that without it the behavior has not changed weakens my case, although it
probably weakens the case that it should be restored
Summary: Simple type names fail to demangle - regression from 3.2
Product: gcc
Version: 3.4.3
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libstdc++
AssignedTo: unassigned at gcc dot gnu dot org
Report
--- Additional Comments From david dot moore at intel dot com 2005-01-05
23:55 ---
Created an attachment (id=7881)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=7881&action=view)
Test case attached (same as pasted version)
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19284
--- Additional Comments From david dot moore at intel dot com 2005-01-06
00:08 ---
Subject: RE: Simple type names fail to demangle - regression from 3.2
Is that in gnats? Actually, my real question is should I have reported
this in a different data base? Searched for demangle and did
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