Bash-5.2 patch 17: fix for optimizing forks when using the . builtin in a subshell

builtins/evalfile.c

@@ -266,7 +266,7 @@ file_error_and_exit:
 #endif
 
   /* set the flags to be passed to parse_and_execute */
-  pflags = SEVAL_RESETLINE;
+  pflags = SEVAL_RESETLINE|SEVAL_NOOPTIMIZE;
   pflags |= (flags & FEVAL_HISTORY) ? 0 : SEVAL_NOHIST;
 
   if (flags & FEVAL_BUILTIN)

patchlevel.h

@@ -25,6 +25,6 @@
    regexp `^#define[ 	]*PATCHLEVEL', since that's what support/mkversion.sh
    looks for to find the patch level (for the sccs version string). */
 
-#define PATCHLEVEL 16
+#define PATCHLEVEL 17
 
 #endif /* _PATCHLEVEL_H_ */