Set exec-path from PATH when loading pdumps

src/callproc.c

@@ -1520,6 +1520,12 @@ egetenv_internal (const char *var, ptrdiff_t len)
 void
 init_callproc_1 (void)
 {
+  /* This function can be called from within pdumper or later during
+     boot.  No need to run it twice.  */
+  static bool double_run_guard;
+  if (double_run_guard)
+    return;
+  double_run_guard = true;
 #ifdef HAVE_NS
   const char *etc_dir = ns_etc_directory ();
   const char *path_exec = ns_exec_path ();

src/pdumper.c

@@ -5590,6 +5590,7 @@ pdumper_load (const char *dump_filename, char *argv0, char const *original_pwd)
 
   /* Once we can allocate and before loading .eln files we must set
      Vinvocation_directory (.eln paths are relative to it). */
+  init_callproc_1 ();
   set_invocation_vars (argv0, original_pwd);
   dump_do_all_dump_reloc_for_phase (header, dump_base, LATE_RELOCS);
   dump_do_all_dump_reloc_for_phase (header, dump_base, VERY_LATE_RELOCS);