Refine test execute-stmts.cpp

clang/test/Interpreter/execute-stmts.cpp

@@ -41,15 +41,22 @@ for (; i > 4; --i) { printf("i = %d\n", i); };
 int j = i; printf("j = %d\n", j);
 // CHECK-NEXT: j = 4
 
-if (int i = j) printf("i = %d\n", i);
-// CHECK-NEXT: i = 4
+{++i; printf("i = %d (global scope)\n", i);}
+// CHECK-NEXT: i = 5
 
-for (int i = j; i > 3; --i) printf("i = %d\n", i);
-// CHECK-NEXT: i = 4
+while (int i = 1) { printf("i = %d (while condition)\n", i--); break; }
+// CHECK-NEXT: i = 1
 
-for(int i=0; i<2; i+=1) {};
+if (int i = 2) printf("i = %d (if condition)\n", i);
+// CHECK-NEXT: i = 2
 
-for(int i=0; i<2; i+=1) ;
+switch (int i = 3) { default: printf("i = %d (switch condition)\n", i); }
+// CHECK-NEXT: i = 3
+
+for (int i = 4; i > 3; --i) printf("i = %d (for-init)\n", i);
+// CHECK-NEXT: i = 4
 
 int *aa=nullptr;
 if (auto *b=aa) *b += 1;
+while (auto *b=aa) ;
+for (auto *b=aa; b; *b+=1) ;