1 files changed, 6 insertions, 2 deletions
diff --git a/lib/compilers/rust.js b/lib/compilers/rust.js
index 7043b2b00..622d914b0 100644
--- a/lib/compilers/rust.js
+++ b/lib/compilers/rust.js
@@ -54,11 +54,15 @@ export class RustCompiler extends BaseCompiler {
     }
 
     optionsForBackend(backendOptions, outputFilename) {
+        // The super class handles the GCC dump files that may be needed by
+        // rustc-cg-gcc subclass.
+        const opts = super.optionsForBackend (backendOptions, outputFilename);
+
         if (backendOptions.produceRustMir && this.compiler.supportsRustMirView) {
             const of = this.getRustMirOutputFilename(outputFilename);
-            return ['--emit', `mir=${of}`];
+            opts.push('--emit', `mir=${of}`);
         }
-        return [];
+        return opts;
     }
 
     optionsForFilter(filters, outputFilename, userOptions) {