How to: Debug a Release Build You can debug a release build of an application. To debug a release build Open the Property Pages dialog box for the pro ...
How to: Debug a Release Build
You can debug a release build of an application.
To debug a release build
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Open the Property Pages dialog box for the project. For details, see Working with Project Properties.
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Click the C/C++ node. Set Debug Information Format to C7 compatible (/Z7) or Program Database (/Zi).
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Expand Linker and click the General node. Set Enable Incremental Linking to No (/INCREMENTAL:NO).
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Select the Debugging node. Set Generate Debug Info to Yes (/DEBUG).
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Select the Optimization node. Set References to /OPT:REF and Enable COMDAT Folding to /OPT:ICF.
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You can now debug your release build application. To find a problem, step through the code (or use Just-In-Time debugging) until you find where the failure occurs, and then determine the incorrect parameters or code.
If an application works in a debug build, but fails in a release build, one of the compiler optimizations may be exposing a defect in the source code. To isolate the problem, disable selected optimizations for each source code file until you locate the file and the optimization that is causing the problem. (To expedite the process, you can divide the files into two groups, disable optimization on one group, and when you find a problem in a group, continue dividing until you isolate the problem file.)
You can use /RTC to try to expose such bugs in your debug builds.
For more information, see Optimizing Your Code.
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設置在Release模式下調試的方法： 1.工程項目上右鍵 -> 屬性 2.c++ -> 常規 -〉調試信息格式 選 程式資料庫(/Zi)或(/ZI), 註意：如果是庫的話，只能(Zi) 3.c++ -> 優化 -〉優化 選 禁止（/Od） 4.連接器 -〉調試 -〉生成調試信息 選 是 （/DEBUG）
https://blog.csdn.net/haizimin/article/details/50262901
在有的情況下，我們可能不能直接利用Debug模式進行程式調試，那麼如何在Release模式下進行程式調試呢？
一、將項目屬性設置為Release，生成--->配置管理器：
二、按Alt+F7，彈出屬性頁進行設置：
