compiletest: print slightly more information on fs::write failure

RalfJung · RalfJung · commit 9c9c5b041b80 · 2025-07-05T22:21:23.000+02:00
diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs
@@ -1918,7 +1918,8 @@ impl<'test> TestCx<'test> {
 
     fn dump_output_file(&self, out: &str, extension: &str) {
         let outfile = self.make_out_name(extension);
-        fs::write(outfile.as_std_path(), out).unwrap();
+        fs::write(outfile.as_std_path(), out)
+            .unwrap_or_else(|err| panic!("failed to write {outfile}: {err:?}"));
     }
 
     /// Creates a filename for output with the given extension.

Original file line number	Diff line number	Diff line change
`@@ -1918,7 +1918,8 @@ impl<'test> TestCx<'test> {`
`1918`	`1918`
`1919`	`1919`	`fn dump_output_file(&self, out: &str, extension: &str) {`
`1920`	`1920`	`let outfile = self.make_out_name(extension);`
`1921`		`- fs::write(outfile.as_std_path(), out).unwrap();`
	`1921`	`+ fs::write(outfile.as_std_path(), out)`
	`1922`	`+ .unwrap_or_else(\|err\| panic!("failed to write {outfile}: {err:?}"));`
`1922`	`1923`	`}`
`1923`	`1924`
`1924`	`1925`	`/// Creates a filename for output with the given extension.`