Adding origin location notation to yul ir.

test/cmdlineTests/viair_abicoder_v1/output

@@ -1,14 +1,15 @@
 IR:
-/*******************************************************
+/*=====================================================*
  *                       WARNING                       *
  *  Solidity to Yul compilation is still EXPERIMENTAL  *
  *       It can result in LOSS OF FUNDS or worse       *
  *                !USE AT YOUR OWN RISK!               *
- *******************************************************/
+ *=====================================================*/
 
 
 object "test_11" {
     code {
+        /// @src 0:79,169
         mstore(64, 128)
         if callvalue() { revert_error_ca66f745a3ce8ff40e2ccaf1ad45db7774001b90d25810abd9040049be7bf4bb() }
 
@@ -25,6 +26,8 @@ object "test_11" {
 
         function constructor_test_11() {
 
+            /// @src 0:79,169
+
         }
 
         function revert_error_ca66f745a3ce8ff40e2ccaf1ad45db7774001b90d25810abd9040049be7bf4bb() {
@@ -34,6 +37,7 @@ object "test_11" {
     }
     object "test_11_deployed" {
         code {
+            /// @src 0:79,169
             mstore(64, 128)
 
             if iszero(lt(calldatasize(), 4))
@@ -83,10 +87,14 @@ object "test_11" {
             }
 
             function fun_f_10() -> var__5 {
+                /// @src 0:99,167
+                /// @src 0:133,137
                 let zero_t_bool_1 := zero_value_for_split_t_bool()
                 var__5 := zero_t_bool_1
 
+                /// @src 0:156,160
                 let expr_7 := 0x01
+                /// @src 0:149,160
                 var__5 := expr_7
                 leave