remove old eln before creating a new one to prevent crashes

diff --git a/src/comp.c b/src/comp.c
index e5d703f769ff509497ae2e26e635fe9470152ee8..cbf38de29af5c0de2fbf74c297b01de25740832d 100644 (file)
--- a/src/comp.c
+++ b/src/comp.c
@@ -3078,8 +3078,14 @@ DEFUN ("comp--compile-ctxt-to-file", Fcomp__compile_ctxt_to_file,
     gcc_jit_context_dump_reproducer_to_file (comp.ctxt, "comp_reproducer.c");
 
   AUTO_STRING (dot_so, NATIVE_ELISP_SUFFIX);
+
   Lisp_Object out_file = CALLN (Fconcat, ctxtname, dot_so);
 
+  /* Remove the old eln before creating the new one to get a new inode and
+     prevent crashes in case the old one is currently loaded.  */
+  if (!NILP (Ffile_exists_p (out_file)))
+    Fdelete_file (out_file, Qnil);
+
   gcc_jit_context_compile_to_file (comp.ctxt,
                                   GCC_JIT_OUTPUT_KIND_DYNAMIC_LIBRARY,
                                   SSDATA (out_file));