[lldb] Add test main.cpp file

Signed-off-by: Ebuka Ezike <yerimyah1@gmail.com>

Author: da-viper

lldb/test/API/functionalities/thread/jump/main.cpp

@@ -13,6 +13,21 @@ T min(T a, T b)
     }
 }
 
+int jump_positive_offset() {
+  int var_1 = 10;
+  var_1 = 20; // breakpoint 1
+
+  int var_2 = 40; // jump_offset 1
+  return var_2;
+}
+
+int jump_negative_offset() {
+  int var_3 = 10; // jump_offset 2
+  var_3 = 99;
+
+  return var_3; // breakpoint 2
+}
+
 int main ()
 {
     int i;
@@ -22,5 +37,7 @@ int main ()
     i = min(min_i_a, min_i_b); // 3rd marker
     j = min(min_j_a, min_j_b); // 4th marker
 
+    jump_positive_offset();
+    jump_negative_offset();
     return 0;
 }