analyzer: Use noexcept instead of throw() for C++11 and later (PR 96014)

gcc/testsuite/ChangeLog:

	PR testsuite/96014
	* g++.dg/analyzer/pr94028.C: Replace dynamic exception
	specification with noexcept-specifier for C++11 and later.

gcc/testsuite/g++.dg/analyzer/pr94028.C

@@ -12,7 +12,12 @@ enum e {} i;
 
 struct j
 {
-  void *operator new (__SIZE_TYPE__ b) throw()
+  void *operator new (__SIZE_TYPE__ b)
+#if __cplusplus >= 201103L
+    noexcept
+#else
+    throw()
+#endif
   {
     return calloc (b, sizeof (int)); // { dg-warning "leak" }
   }