lazily try to add arg

Author: Oneirical

tests/run-make/pgo-branch-weights/main.rs

@@ -1,7 +1,7 @@
 extern crate interesting;
 
 fn main() {
-    let arg = "aaaaaaaaaaaa2bbbbbbbbbbbb2bbbbbbbbbbbbbbbbcc";
+    let arg = std::env::args().skip(1).next().unwrap();
 
     for c in arg.chars() {
         if c == '2' {

tests/run-make/pgo-branch-weights/rmake.rs

@@ -45,7 +45,7 @@ fn main() {
         invoc.arg(link_args);
     }
     invoc.run();
-    run("main");
+    run("main aaaaaaaaaaaa2bbbbbbbbbbbb2bbbbbbbbbbbbbbbbcc");
     llvm_profdata()
         .merge()
         .output(&path_merged_profdata)
@@ -63,5 +63,5 @@ fn main() {
     invoc.run();
 
     let interesting_ll = tmp_dir().join("interesting.ll");
-    stdin_command("llvm-filecheck", interesting_ll, "filecheck-patterns.txt");
+    stdin_command(env::var("LLVM_FILECHECK"), interesting_ll, "filecheck-patterns.txt");
 }