- You create an application that loads a byte from a structure or from a class in Microsoft Visual Studio 2008 Service Pack 1 (SP1).
- You turn on the /Ox optimization option or the /O2 optimization option.
- You compile the application by using a release configuration for the x64 platform.
This problem occurs only when the structure size and the offset or the class size and the offset equal one of the following pairs:
Hotfix informationA supported hotfix is now available from Microsoft. However, it is intended to correct only the problem that is described in this article. Apply it only 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 Visual Studio 2008 service pack that contains this hotfix.
To resolve this problem immediately, contact Microsoft Customer Support Services to obtain the hotfix. For a complete list of Microsoft Customer Support Services telephone numbers and information about support costs, visit the following Microsoft Web site: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.
PrerequisitesYou must have Visual Studio 2008 Service Pack 1 installed to apply this hotfix.
Restart requirementYou do not have to restart the computer after you apply this hotfix.
Hotfix replacement informationThis hotfix does not replace any other hotfixes.
File informationThe 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.
|File name||File version||File size||Date||Time||Platform|
|C2.dll||15.0.30729. 4082||2,283,320||19-Mar- 2009||05:13||x86|
|C2.dll||15.0.30729.4082||2,36 1,656||19-Mar- 2009||05:13||x86|
|C2.dll||15.0.30729.4082||3,01 7,528||19-Mar- 2009||05:13||x64|
|Link.exe||9.0.30729.4082||1,0 54,520||19-Mar- 2009||05:13||x64|
Steps to reproduce the problem
- Create an application that is named Test.cpp by using the following code in Visual Studio 2008 SP1:
typedef struct DskDecimal
unsigned char precision;
unsigned char scaleFactor;
unsigned short value[ 5];
unsigned char maxPrecision;
unsigned char maxScaleFactor;
decimal.maxScaleFactor = 4;
DskDecimal self = decimal;
- Compile the application by using the following command:cl test.cpp /O2 /MD
Article ID: 968338 - Last Review: Mar 29, 2017 - Revision: 4