Fix two new failing tests

The updated wasi-sdk has debuginfo by default so be sure to strip the
debuginfo by default when testing the size of new executables.

tests/run-make/wasm-panic-small/rmake.rs

@@ -13,7 +13,14 @@ fn main() {
 fn test(cfg: &str) {
     eprintln!("running cfg {cfg:?}");
 
-    rustc().input("foo.rs").target("wasm32-wasip1").arg("-Clto").opt().cfg(cfg).run();
+    rustc()
+        .input("foo.rs")
+        .target("wasm32-wasip1")
+        .arg("-Clto")
+        .arg("-Cstrip=debuginfo")
+        .opt()
+        .cfg(cfg)
+        .run();
 
     let bytes = rfs::read("foo.wasm");
     println!("{}", bytes.len());

tests/run-make/wasm-stringify-ints-small/rmake.rs

@@ -4,7 +4,13 @@
 use run_make_support::{rfs, rustc};
 
 fn main() {
-    rustc().input("foo.rs").target("wasm32-wasip1").arg("-Clto").opt().run();
+    rustc()
+        .input("foo.rs")
+        .target("wasm32-wasip1")
+        .arg("-Clto")
+        .arg("-Cstrip=debuginfo")
+        .opt()
+        .run();
 
     let bytes = rfs::read("foo.wasm");
     println!("{}", bytes.len());