[Interpreter] Refactor bytecode generator test suite.

test/cctest/interpreter/TryCatch.golden

+#
+# Autogenerated by generate-bytecode-expectations
+#
+
+---
+pool type: string
+execute: yes
+wrap: yes
+
+---
+snippet: "
+  try { return 1; } catch(e) { return 2; }
+"
+frame size: 5  # in multiples of sizeof(void*)
+parameter count: 1
+bytecodes: [
+  B(StackCheck),
+  B(Mov), R(context), R(1),
+  B(LdaSmi8), U8(1),
+  B(Return),
+  B(Star), R(3),
+  B(LdaConstant), U8(0),
+  B(Star), R(2),
+  B(Ldar), R(closure),
+  B(Star), R(4),
+  B(CallRuntime), U16(463), R(2), U8(3),
+  B(Star), R(1),
+  B(CallRuntime), U16(185), R(0), U8(0),
+  B(Ldar), R(1),
+  B(PushContext), R(0),
+  B(LdaSmi8), U8(2),
+  B(PopContext), R(0),
+  B(Return),
+  B(LdaUndefined),
+  B(Return),
+]
+constant pool: [
+  "e",
+]
+handlers: [
+  [4, 7, 7],
+]
+
+---
+snippet: "
+  var a; try { a = 1 } catch(e1) {}; try { a = 2 } catch(e2) { a = 3 }
+"
+frame size: 6  # in multiples of sizeof(void*)
+parameter count: 1
+bytecodes: [
+  B(StackCheck),
+  B(Mov), R(context), R(2),
+  B(LdaSmi8), U8(1),
+  B(Star), R(0),
+  B(Jump), U8(30),
+  B(Star), R(4),
+  B(LdaConstant), U8(0),
+  B(Star), R(3),
+  B(Ldar), R(closure),
+  B(Star), R(5),
+  B(CallRuntime), U16(463), R(3), U8(3),
+  B(Star), R(2),
+  B(CallRuntime), U16(185), R(0), U8(0),
+  B(Ldar), R(2),
+  B(PushContext), R(1),
+  B(PopContext), R(1),
+  B(Mov), R(context), R(2),
+  B(LdaSmi8), U8(2),
+  B(Star), R(0),
+  B(Jump), U8(34),
+  B(Star), R(4),
+  B(LdaConstant), U8(1),
+  B(Star), R(3),
+  B(Ldar), R(closure),
+  B(Star), R(5),
+  B(CallRuntime), U16(463), R(3), U8(3),
+  B(Star), R(2),
+  B(CallRuntime), U16(185), R(0), U8(0),
+  B(Ldar), R(2),
+  B(PushContext), R(1),
+  B(LdaSmi8), U8(3),
+  B(Star), R(0),
+  B(PopContext), R(1),
+  B(LdaUndefined),
+  B(Return),
+]
+constant pool: [
+  "e1",
+  "e2",
+]
+handlers: [
+  [4, 8, 10],
+  [41, 45, 47],
+]
+