From f072df18367d9adbcba59f307c0a911a70ad00cf Mon Sep 17 00:00:00 2001
From: Guillaume Gomez <guillaume1.gomez@gmail.com>
Date: Thu, 2 Oct 2025 18:02:54 +0200
Subject: [PATCH] Ignore coverage tests for GCC

---
 src/bootstrap/src/core/build_steps/test.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/bootstrap/src/core/build_steps/test.rs b/src/bootstrap/src/core/build_steps/test.rs
index 77b2c7580e3b..989a82d7b5a2 100644
--- a/src/bootstrap/src/core/build_steps/test.rs
+++ b/src/bootstrap/src/core/build_steps/test.rs
@@ -1590,6 +1590,15 @@ fn make_run(run: RunConfig<'_>) {
         let compiler = run.builder.compiler(run.builder.top_stage, run.build_triple());
         let target = run.target;
 
+        // GCC cannot run coverage tests.
+        if let Some(codegen_backend) = run.builder.config.cmd.test_codegen_backend() {
+            if codegen_backend.is_gcc() {
+                return;
+            }
+        } else if run.builder.config.default_codegen_backend(compiler.host).is_gcc() {
+            return;
+        }
+
         // List of (coverage) test modes that the coverage test suite will be
         // run in. It's OK for this to contain duplicates, because the call to
         // `Builder::ensure` below will take care of deduplication.