Merge pull request #12652 from ethereum/moveTest

Move stray semantics test to proper directory.

Author: chriseth

test/libsolidity/constructor_inheritance_init_order_3.sol renamed to test/libsolidity/semanticTests/constructor_inheritance_init_order_3_legacy.sol

@@ -1,12 +1,12 @@
 contract A {
-    uint public x;
+    uint public x = 2;
     constructor(uint) {}
-    function f() public { x = 4; }
+    function f() public returns(uint) { x = 4; }
 }
 contract B is A {
     constructor() A(f()) {}
 }
 // ====
-// compileViaYul: also
+// compileViaYul: false
 // ----
 // x() -> 4

test/libsolidity/semanticTests/constructor_inheritance_init_order_3_viaIR.sol

@@ -0,0 +1,12 @@
+contract A {
+    uint public x = 2;
+    constructor(uint) {}
+    function f() public returns(uint) { x = 4; }
+}
+contract B is A {
+    constructor() A(f()) {}
+}
+// ====
+// compileViaYul: true
+// ----
+// x() -> 2