Avoid crash with invalid default-process-coding-system.

* src/process.c (create_process): Call setup_process_coding_systems
after the pid of the process is set to -1.

1 files changed, 4 insertions, 1 deletions

diff --git a/src/process.c b/src/process.c
index 9d20d0c2b09..71a6f91a7bb 100644
--- a/src/process.c
+++ b/src/process.c
@@ -1643,7 +1643,6 @@ create_process (Lisp_Object process, char **new_argv, Lisp_Object current_dir)
 
   XPROCESS (process)->pty_flag = pty_flag;
   XPROCESS (process)->status = Qrun;
-  setup_process_coding_systems (process);
 
   /* Delay interrupts until we have a chance to store
      the new fork's pid in its process structure */
@@ -1678,6 +1677,10 @@ create_process (Lisp_Object process, char **new_argv, Lisp_Object current_dir)
      processes to get their return values scrambled.  */
   XPROCESS (process)->pid = -1;
 
+  /* This must be called after the above line because it may signal an
+     error. */
+  setup_process_coding_systems (process);
+
   BLOCK_INPUT;
 
   {