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Parsing error when "case" in "for" in $()

From: Benoit Vaugon
Subject: Parsing error when "case" in "for" in $()
Date: Tue, 11 Sep 2012 16:50:13 +0200
User-agent: Mozilla/5.0 (X11; Linux i686; rv:12.0) Gecko/20120428 Thunderbird/12.0.1

Configuration Information [Automatically generated, do not change]:
Machine: i386
OS: linux-gnu
Compiler: gcc
Compilation CFLAGS: -DPROGRAM='bash' -DCONF_HOSTTYPE='i386' -DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='i386-redhat-linux-gnu' -DCONF_VENDOR='redhat' -DLOCALEDIR='/usr/share/locale' -DPACKAGE='bash' -DSHELL -DHAVE_CONFIG_H -I. -I. -I./include -I./lib -D_GNU_SOURCE -DRECYCLES_PIDS -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i686 -mtune=atom -fasynchronous-unwind-tables uname output: Linux zeugma #1 SMP Wed Nov 23 13:57:33 UTC 2011 i686 i686 i386 GNU/Linux
Machine Type: i386-redhat-linux-gnu

Bash Version: 4.1
Patch Level: 7
Release Status: release

  Cannot use "case" construction in a "for" loop in a $() sub shell.
  Should work but produces parsing error.

  echo $(for x in whatever; do case y in *) echo 42;; esac; done)

  Probably by fixing the bash parser.

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