read_main_debug_info: do not die in -custom executables

This fatal error occurred with some executables linked with -custom
(with the Debian-specific patch), notably ppx preprocessors during the
build of ppxlib.

Gbp-Pq: Name 0005-read_main_debug_info-do-not-die-in-custom-executable.patch

diff --git a/runtime/backtrace_byt.c b/runtime/backtrace_byt.c
index 28fe44c7530ff18734c5871aef822996dbc62e36..88e10fc4e51e7703443f0134421e74314f3e0202 100644 (file)
--- a/runtime/backtrace_byt.c
+++ b/runtime/backtrace_byt.c
@@ -378,7 +378,7 @@ static void read_main_debug_info(struct debug_info *di)
 
   fd = caml_attempt_open(&exec_name, &trail, 1);
   if (fd < 0){
-    caml_fatal_error ("executable program file not found");
+    /* caml_fatal_error ("executable program file not found"); */
     CAMLreturn0;
   }