Add tests/TODO for #7950, #9974 (#3818)

* Add tests/TODO for #7950, #9974

* Comment

test/testbufferoverrun.cpp

@@ -4627,6 +4627,13 @@ private:
               "    char *p = arr + 20;\n"
               "}");
         ASSERT_EQUALS("[test.cpp:3]: (portability) Undefined behaviour, pointer arithmetic 'arr+20' is out of bounds.\n", errout.str());
+
+        check("char(*g())[1];\n" // #7950
+              "void f() {\n"
+              "    int a[2];\n"
+              "    int* b = a + sizeof(*g());\n"
+              "}\n");
+        ASSERT_EQUALS("", errout.str());
     }
 
 #define ctu(code) ctu_(code, __FILE__, __LINE__)

test/testother.cpp

@@ -231,6 +231,7 @@ private:
         TEST_CASE(doubleMove1);
         TEST_CASE(doubleMoveMemberInitialization1);
         TEST_CASE(doubleMoveMemberInitialization2);
+        TEST_CASE(doubleMoveMemberInitialization3); // #9974
         TEST_CASE(moveAndAssign1);
         TEST_CASE(moveAndAssign2);
         TEST_CASE(moveAssignMoveAssign);
@@ -9069,6 +9070,17 @@ private:
         ASSERT_EQUALS("[test.cpp:5]: (warning) Access of moved variable 'b'.\n", errout.str());
     }
 
+    void doubleMoveMemberInitialization3() { // #9974
+        check("struct A { int i; };\n"
+              "struct B { A a1; A a2; };\n"
+              "B f() {\n"
+              "    A a1 = { 1 };\n"
+              "    A a2 = { 2 };\n"
+              "    return { .a1 = std::move(a1), .a2 = std::move(a2) };\n"
+              "}\n");
+        ASSERT_EQUALS("", errout.str());
+    }
+
     void moveAndAssign1() {
         check("A g(A a);\n"
               "void f() {\n"

test/testsimplifytokens.cpp

@@ -2458,6 +2458,10 @@ private:
                "sizeof(char[20][3]);\n"
                "sizeof(char[unknown][3]);";
         ASSERT_EQUALS("20 ; 60 ; sizeof ( char [ unknown ] [ 3 ] ) ;", tok(code));
+
+        code = "char(*Helper())[1];\n"
+               "sizeof(*Helper());\n";
+        TODO_ASSERT_EQUALS("char ( * Helper ( ) ) [ 1 ] ; 1 ;", "char ( * Helper ( ) ) [ 1 ] ; sizeof ( * Helper ( ) ) ;", tok(code));
     }
 
     void sizeof5() {