Update tests.

test/libyul/objectCompiler/long_object_name.yul

@@ -16,10 +16,14 @@ object "t" {
 //   0x00
 //     /* "source":23:147   */
 //   sstore
+//     /* "source":19:150   */
+//   stop
 // stop
 //
 // sub_0: assembly {
+//         /* "source":272:274   */
+//       stop
 // }
-// Bytecode: 6000600055fe
-// Opcodes: PUSH1 0x0 PUSH1 0x0 SSTORE INVALID
-// SourceMappings: 33:113:0:-:0;30:1;23:124
+// Bytecode: 600160005500fe
+// Opcodes: PUSH1 0x1 PUSH1 0x0 SSTORE STOP INVALID
+// SourceMappings: 33:113:0:-:0;30:1;23:124;19:131

test/libyul/objectCompiler/nested_optimizer.yul

@@ -20,22 +20,26 @@ object "a" {
 // Assembly:
 //     /* "source":48:49   */
 //   0x00
-//   dup1
 //     /* "source":35:50   */
+//   dup1
 //   calldataload
 //     /* "source":107:127   */
 //   sstore
+//     /* "source":20:131   */
+//   stop
 // stop
 //
 // sub_0: assembly {
 //         /* "source":188:189   */
 //       0x00
-//       dup1
 //         /* "source":175:190   */
+//       dup1
 //       calldataload
 //         /* "source":253:273   */
 //       sstore
+//         /* "source":158:279   */
+//       stop
 // }
-// Bytecode: 6000803555fe
-// Opcodes: PUSH1 0x0 DUP1 CALLDATALOAD SSTORE INVALID
-// SourceMappings: 48:1:0:-:0;;35:15;107:20
+// Bytecode: 600080355500fe
+// Opcodes: PUSH1 0x0 DUP1 CALLDATALOAD SSTORE STOP INVALID
+// SourceMappings: 48:1:0:-:0;35:15;;107:20;20:111

test/libyul/objectCompiler/simple_optimizer.yul

@@ -10,11 +10,13 @@
 // Assembly:
 //     /* "source":26:27   */
 //   0x00
-//   dup1
 //     /* "source":13:28   */
+//   dup1
 //   calldataload
 //     /* "source":79:99   */
 //   sstore
-// Bytecode: 6000803555
-// Opcodes: PUSH1 0x0 DUP1 CALLDATALOAD SSTORE
-// SourceMappings: 26:1:0:-:0;;13:15;79:20
+//     /* "source":0:101   */
+//   stop
+// Bytecode: 600080355500
+// Opcodes: PUSH1 0x0 DUP1 CALLDATALOAD SSTORE STOP
+// SourceMappings: 26:1:0:-:0;13:15;;79:20;0:101