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@@ -136,6 +136,7 @@
 ##### [-Zc:forScope (Force Conformance in for Loop Scope)](zc-forscope-force-conformance-in-for-loop-scope.md)
 ##### [-Zc:implicitNoexcept (Implicit Exception Specifiers)](zc-implicitnoexcept-implicit-exception-specifiers.md)
 ##### [-Zc:inline (Remove unreferenced COMDAT)](zc-inline-remove-unreferenced-comdat.md)
+##### [-Zc:noexceptTypes (C++17 noexcept rules)](zc-noexcepttypes.md)
 ##### [-Zc:referenceBinding (Enforce reference binding rules)](zc-referencebinding-enforce-reference-binding-rules.md)
 ##### [-Zc:rvalueCast (Enforce type conversion rules)](zc-rvaluecast-enforce-type-conversion-rules.md)
 ##### [-Zc:sizedDealloc (Enable Global Sized Deallocation Functions)](zc-sizeddealloc-enable-global-sized-dealloc-functions.md)
 
@@ -37,6 +37,7 @@ These are the `/Zc` compiler options:
 |[forScope\[-\]](zc-forscope-force-conformance-in-for-loop-scope.md)|Enforce Standard C++ `for` scoping rules (on by default).|
 |[implicitNoexcept\[-\]](zc-implicitnoexcept-implicit-exception-specifiers.md)|Enable implicit `noexcept` on required functions (on by default).|
 |[inline\[-\]](zc-inline-remove-unreferenced-comdat.md)|Remove unreferenced function or data if it is COMDAT or has internal linkage only (off by default).|
+|[noexceptTypes\[-\]](zc-noexcepttypes.md)|Enforce C++17 noexcept rules (on by default in C++17 or later).|
 |[referenceBinding\[-\]](zc-referencebinding-enforce-reference-binding-rules.md)|A UDT temporary will not bind to an non-const lvalue reference (off by default).|
 |[rvalueCast\[-\]](zc-rvaluecast-enforce-type-conversion-rules.md)|Enforce Standard C++ explicit type conversion rules (off by default).|
 |[sizedDealloc\[-\]](zc-sizeddealloc-enable-global-sized-dealloc-functions.md)|Enable C++14 global sized deallocation functions (on by default).|
 
@@ -0,0 +1,82 @@
+---
+title: "-Zc:noexceptTypes (C++17 noexcept rules) | Microsoft Docs"
+ms.date: "11/14/2017"
+ms.technology: ["cpp-tools"]
+ms.topic: "article"
+f1_keywords: ["/Zc:noexceptTypes"]
+dev_langs: ["C++"]
+helpviewer_keywords: ["/Zc:noexceptTypes", "Zc:noexceptTypes", "-Zc:noexceptTypes"]
+ms.assetid: 1cbf7e3c-0f82-4f91-84dd-612bcf26d2c6
+author: "corob-msft"
+ms.author: "corob"
+manager: "ghogen"
+---
+# /Zc:noexceptTypes (C++17 noexcept rules)
+
+The C++17 standard makes `throw()` as an alias for `noexcept`, removes `throw(<type list>)` and `throw(...)`, and allows certain types to include `noexcept`. This can cause a number of source compatibility issues in code that conforms to C++14 or earlier. The **/Zc:noexceptTypes** option can specify conformance to the C++17 standard or allow the C++14 and earlier behavior when code is compiled in C++17 mode.
+
+## Syntax
+
+> **/Zc:noexceptTypes**[-]
+
+## Remarks
+
+When the **/Zc:noexceptTypes** option is specified, the compiler conforms to the C++17 standard and treats [throw()](../../cpp/exception-specifications-throw-cpp.md) as an alias for [noexcept](../../cpp/noexcept-cpp.md), removes `throw(<type list>)` and `throw(...)`, and allows certain types to include `noexcept`. The **/Zc:noexceptTypes** option is only available when [/std:c++17](std-specify-language-standard-version.md) or [/std:latest](std-specify-language-standard-version.md) is enabled. **/Zc:noexceptTypes** is enabled by default to conform to the ISO C++17 standard. Turn this option off by specifying **/Zc:noexceptTypes-** to revert to the C++14 behavior of `noexcept` when **/std::C++17** or **/std::latest** is specified.
+
+Beginning in Visual Studio 2017 version 15.5, the C++ compiler diagnoses more mismatched exception specifications in declarations in C++17 mode or when the [/permissive-](permissive-standards-conformance.md) option is specified.
+
+This sample shows how declarations with an exception specifier behave when the **/Zc:noexceptTypes** option is set or disabled. To show the behavior when set, compile by using `cl /EHsc /W4 noexceptTypes.cpp`. To show the behavior when disabled, compile by using `cl /EHsc /W4 /Zc:noexceptTypes- noexceptTypes.cpp`.
+
+```cpp
+// noexceptTypes.cpp
+// Compile by using: cl /EHsc /W4 noexceptTypes.cpp
+// Compile by using: cl /EHsc /W4 /Zc:noexceptTypes- noexceptTypes.cpp
+
+void f() throw();    // equivalent to void f() noexcept;
+void f() { }         // warning C5043
+void g() throw(...); // warning C5040
+
+struct A
+{
+    virtual void f() throw();
+};
+
+struct B : A
+{
+    virtual void f() { } // error C2694
+};
+```
+
+When compiled by using the default setting **/Zc:noexceptTypes**, the sample generates the listed warnings. To update your code, use the following instead:
+
+```cpp
+void f() noexcept;
+void f() noexcept { }
+void g() noexcept(false);
+
+struct A
+{
+    virtual void f() noexcept;
+};
+
+struct B : A
+{
+    virtual void f() noexcept { }
+};
+```
+
+For more information about conformance issues in Visual C++, see [Nonstandard Behavior](../../cpp/nonstandard-behavior.md).
+
+### To set this compiler option in the Visual Studio development environment
+
+1. Open the project's **Property Pages** dialog box. For details, see [Working with Project Properties](../../ide/working-with-project-properties.md).
+
+1. Select the **Command Line** property page in the **C/C++** folder.
+
+1. Modify the **Additional Options** property to include **/Zc:noexceptTypes** or **/Zc:noexceptTypes-** and then choose **OK**.
+
+## See also
+
+[/Zc (Conformance)](../../build/reference/zc-conformance.md)  
+[noexcept](../../cpp/noexcept-cpp.md)  
+[Exception Specifications (throw)](../../cpp/exception-specifications-throw-cpp.md)