BASH PATCH REPORT
                            =================

Bash-Release:   4.4
Patch-ID:       bash44-005

Bug-Reported-by:        Dr. Werner Fink <[email protected]>
Bug-Reference-ID:       <[email protected]>
Bug-Reference-URL:      http://lists.gnu.org/archive/html/bug-bash/2016-11/msg00054.html

Bug-Description:

Under certain circumstances, a simple command is optimized to eliminate a
fork, resulting in an EXIT trap not being executed.

Patch (apply with `patch -p0'):

*** ../bash-4.4/builtins/evalstring.c   2016-08-11 14:18:51.000000000 -0400
--- builtins/evalstring.c       2016-11-08 15:05:07.000000000 -0500
***************
*** 105,114 ****
         *bash_input.location.string == '\0' &&
         command->type == cm_simple &&
- #if 0
         signal_is_trapped (EXIT_TRAP) == 0 &&
         signal_is_trapped (ERROR_TRAP) == 0 &&
- #else
         any_signals_trapped () < 0 &&
- #endif
         command->redirects == 0 && command->value.Simple->redirects == 0 &&
         ((command->flags & CMD_TIME_PIPELINE) == 0) &&
--- 105,111 ----
*** ../bash-4.4/patchlevel.h    2016-06-22 14:51:03.000000000 -0400
--- patchlevel.h        2016-10-01 11:01:28.000000000 -0400
***************
*** 26,30 ****
    looks for to find the patch level (for the sccs version string). */

! #define PATCHLEVEL 4

 #endif /* _PATCHLEVEL_H_ */
--- 26,30 ----
    looks for to find the patch level (for the sccs version string). */

! #define PATCHLEVEL 5

 #endif /* _PATCHLEVEL_H_ */

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