FIX: One or more code statements may run incorrectly when you use the code optimization feature in Visual Studio 2005

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Article ID: 925792 - View products that this article applies to.
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SYMPTOMS

When you use Microsoft Visual Studio 2005 to build an application, and then you try to run the application, one or more code statements may run incorrectly. This problem only occurs if the following conditions are true:
  • You use the code optimization feature in Visual Studio when you build the application.
  • You run the application in release mode.
This problem occurs when an optimized code statement contains a variable, and the variable is later used in an If statement. If the optimized code statement initializes the variable, the optimized code statement may not run. When this behavior occurs, the If statement that depends on the variable may run incorrectly.

RESOLUTION

Hotfix information

A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Microsoft Visual Studio 2005 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support
Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

Prerequisites

There are no prerequisites for installing this hotfix.

Restart information

You do not have to restart your computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
Visual Studio 2005, x86-based versions
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File nameFile versionFile sizeDateTimePlatform
C1.dll14.0.50727.223630,78405-Oct-200619:27x86
C1ast.dll14.0.50727.223774,14405-Oct-200620:13x86
C1xx.dll14.0.50727.2232,277,37605-Oct-200619:27x86
C1xxast.dll14.0.50727.2232,494,46405-Oct-200620:13x86
C2.dll14.0.50727.2232,260,99205-Oct-200619:07x86
Pgodb80.dll8.0.50727.22361,44005-Oct-200619:04x86
Pgort.libNot applicable36,40606-Oct-200600:40Not applicable
Pgort80.dll8.0.50727.22381,40806-Oct-200600:40IA-64
C1.dll14.0.50725.0528,38406-Oct-200604:28x86
C1xx.dll14.0.50725.02,134,01606-Oct-200604:28x86
C2.dll14.0.50727.2237,152,12806-Oct-200600:40IA-64
Pgodb80.dll8.0.50727.22370,65606-Oct-200600:41x64
Pgort.libNot applicable19,49406-Oct-200600:41Not applicable
Pgort80.dll8.0.50727.22338,40006-Oct-200600:41x64
C1.dll14.0.50727.223949,24806-Oct-200600:41x64
C1xx.dll14.0.50725.02,134,01606-Oct-200604:28x86
C2.dll14.0.50727.2232,191,36006-Oct-200600:41x86
Pgodb80.dll8.0.50727.223130,04806-Oct-200600:40IA-64
Pgort.libNot applicable20,48805-Oct-200619:04Not applicable
Pgort80.dll8.0.50727.22345,05605-Oct-200619:04x86
C1.dll14.0.50727.223581,63206-Oct-200600:40x86
C1xx.dll14.0.50725.02,134,01606-Oct-200604:28x86
C2.dll14.0.50727.2233,588,09606-Oct-200600:41x64
C1.dll14.0.50727.223589,82406-Oct-200600:41x86
C1xx.dll14.0.50727.2232,183,16806-Oct-200600:41x86
C2.dll14.0.50727.2232,478,08006-Oct-200600:40x86
C1.dll14.0.50727.2231,543,68006-Oct-200600:40IA-64
C1xx.dll14.0.50727.2236,503,42406-Oct-200600:40IA-64
C1.dll14.0.50725.0524,28806-Oct-200604:28x86
C1xx.dll14.0.50727.2233,696,64006-Oct-200600:41x64
C1.dll14.0.50725.0528,38406-Oct-200604:28x86
C1xx.dll14.0.50727.2232,179,07206-Oct-200600:40x86
Visual Studio 2005, Itanium architecture-based versions
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
C1.dll14.0.50727.2231,543,68005-Oct-200619:00IA-64
C1xx.dll14.0.50727.2236,503,42405-Oct-200619:00IA-64
C2.dll14.0.50727.2237,152,12805-Oct-200618:59IA-64
Pgodb80.dll8.0.50727.223130,04805-Oct-200618:54IA-64
Pgort.libNot applicable36,40605-Oct-200618:55Not applicable
Pgort80.dll8.0.50727.22381,40805-Oct-200618:55IA-64

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

MORE INFORMATION

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates

Properties

Article ID: 925792 - Last Review: November 16, 2006 - Revision: 1.2
APPLIES TO
  • Microsoft Visual Studio 2005 Team Edition for Software Architects
  • Microsoft Visual Studio 2005 Team Edition for Software Developers
  • Microsoft Visual Studio 2005 Team Edition for Software Testers
  • Microsoft Visual Studio 2005 Standard Edition
  • Microsoft Visual Studio 2005 Professional Edition
  • Microsoft Visual Studio 2005 Express Edition
Keywords: 
kboptimization kbqfe kbhotfixserver kbfix KB925792

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