diff --git a/src/torture/torture.c b/src/torture/torture.c
index 7bae4739..6edc083a 100644
--- a/src/torture/torture.c
+++ b/src/torture/torture.c
@@ -60,6 +60,16 @@ t_read_file(Arena *arena, String8 name)
   return data;
 }
 
+internal B32
+t_delete_file(String8 name)
+{
+  Temp scratch = scratch_begin(0,0);
+  String8 path = t_make_file_path(scratch.arena, name);
+  B32 is_deleted = os_delete_file_at_path(path);
+  scratch_end(scratch);
+  return is_deleted;
+}
+
 internal String8
 t_make_file_path(Arena *arena, String8 name)
 {
diff --git a/src/torture/torture.h b/src/torture/torture.h
index 7a1638f6..2c5b5a89 100644
--- a/src/torture/torture.h
+++ b/src/torture/torture.h
@@ -83,6 +83,7 @@ return result_;                    \
 internal B32 t_write_file_list(String8 name, String8List data);
 internal B32 t_write_file(String8 name, String8 data);
 internal String8 t_read_file(Arena *arena, String8 name);
+internal B32     t_delete_file(String8 name);
 internal String8 t_make_file_path(Arena *arena, String8 name);
 
 // test runner
diff --git a/src/torture/torture_radlink.c b/src/torture/torture_radlink.c
index 90df9e12..b3f8506d 100644
--- a/src/torture/torture_radlink.c
+++ b/src/torture/torture_radlink.c
@@ -4758,6 +4758,36 @@ T_BeginTest(patch_cv_symbol_tree)
 }
 T_EndTest;
 
+#if 0
+T_BeginTest(pdb_determ_test)
+{
+  T_Ok(os_copy_file_path(t_make_file_path(scratch.arena, str8_lit("torture_main.obj")), str8_lit("torture_main.obj")));
+
+  t_delete_file(str8_lit("a.pdb"));
+  t_delete_file(str8_lit("b.pdb"));
+
+  String8 refs_path = t_make_file_path(scratch.arena, str8_lit("b.types"));
+  t_invoke_linkerf("torture_main.obj /debug:full /rad_time_stamp:0 /rad_workers:1 /rad_store_types:%S /out:a.exe", refs_path);
+  T_Ok(g_last_exit_code == 0);
+  T_Ok(os_move_file_path(t_make_file_path(scratch.arena, str8_lit("b.pdb")), t_make_file_path(scratch.arena, str8_lit("a.pdb"))));
+  String8 b = t_read_file(scratch.arena, str8_lit("b.pdb"));
+
+  for EachIndex(i, 50) {
+    Temp temp = temp_begin(scratch.arena);
+
+    t_delete_file(str8_lit("a.pdb"));
+    t_invoke_linkerf("torture_main.obj /debug:full /rad_time_stamp:0 /out:a.exe");
+    T_Ok(g_last_exit_code == 0);
+
+    String8 a = t_read_file(temp.arena, str8_lit("a.pdb"));
+    T_Ok(str8_match(a, b, 0));
+
+    temp_end(temp);
+  }
+}
+T_EndTest;
+#endif
+
 #if 0
 
 T_BeginTest(fold_two_funcs)