skip FileCheck check when running in dry-run mode

Signed-off-by: onur-ozkan <work@onurozkan.dev>

Author: onur-ozkan

src/bootstrap/src/core/sanity.rs

@@ -294,19 +294,19 @@ than building it.
         }
     }
 
-    for host in &build.hosts {
-        if !build.config.dry_run() {
+    if !build.config.dry_run() {
+        for host in &build.hosts {
             cmd_finder.must_have(build.cxx(*host).unwrap());
-        }
 
-        if build.config.llvm_enabled(*host) {
-            // Externally configured LLVM requires FileCheck to exist
-            let filecheck = build.llvm_filecheck(build.build);
-            if !filecheck.starts_with(&build.out)
-                && !filecheck.exists()
-                && build.config.codegen_tests
-            {
-                panic!("FileCheck executable {filecheck:?} does not exist");
+            if build.config.llvm_enabled(*host) {
+                // Externally configured LLVM requires FileCheck to exist
+                let filecheck = build.llvm_filecheck(build.build);
+                if !filecheck.starts_with(&build.out)
+                    && !filecheck.exists()
+                    && build.config.codegen_tests
+                {
+                    panic!("FileCheck executable {filecheck:?} does not exist");
+                }
             }
         }
     }