8312147: Dynamic Exception Specification warnings are no longer required after JDK-8311380

Reviewed-by: prr, serb

Author: TheShermanTanker

src/java.desktop/windows/native/libawt/windows/alloc.h

@@ -40,12 +40,6 @@ namespace std {
 
 class awt_toolkit_shutdown {};
 
-// Disable "C++ Exception Specification ignored" warnings.
-// These warnings are generated because VC++ 5.0 allows, but does not enforce,
-// exception specifications. This #pragma can be safely removed when VC++
-// is updated to enforce exception specifications.
-#pragma warning(disable : 4290)
-
 #ifdef TRY
 #error Multiple definitions of TRY
 #endif

src/java.desktop/windows/native/libawt/windows/awt_Toolkit.h

@@ -254,7 +254,7 @@ class AwtToolkit {
     INLINE void SetModuleHandle(HMODULE h) { m_dllHandle = h; }
 
     INLINE static DWORD MainThread() { return GetInstance().m_mainThreadId; }
-    INLINE void VerifyActive() throw (awt_toolkit_shutdown) {
+    INLINE void VerifyActive() {
         if (!m_isActive && m_mainThreadId != ::GetCurrentThreadId()) {
             throw awt_toolkit_shutdown();
         }