stage2: verify -Wl zig cc behavior

BRANCH_TODO

@@ -1,6 +1,5 @@
  * make sure zig cc works
    - using it as a preprocessor (-E)
-   - @breakpoint(); // TODO the first arg is empty string right? skip past that.
    - try building some software
  * support rpaths in ELF linker code
  * build & link against compiler-rt

src-self-hosted/main.zig

@@ -627,7 +627,6 @@ pub fn buildOutputType(
                 .rdynamic => rdynamic = true,
                 .wl => {
                     var split_it = mem.split(it.only_arg, ",");
-                    @breakpoint(); // TODO the first arg is empty string right? skip past that.
                     while (split_it.next()) |linker_arg| {
                         try linker_args.append(linker_arg);
                     }