better disrupt message on fd

internal/fd.c

@@ -117,10 +117,10 @@ JSC_CCALL(fd_read,
 JSC_SCALL(fd_slurp,
     struct stat st;
     if (stat(str, &st) != 0)
-        return JS_RaiseDisrupt(js, "stat failed: %s", strerror(errno));
+        return JS_RaiseDisrupt(js, "stat failed for %s: %s", str, strerror(errno));
     
     if (!S_ISREG(st.st_mode))
-        return JS_RaiseDisrupt(js, "path is not a regular file");
+        return JS_RaiseDisrupt(js, "path %s is not a regular file", str);
     
     size_t size = st.st_size;
     if (size == 0)