zsh testcase hangs in AIX

["Ayappan P2" <ayappap2@in.ibm.com>]

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Hi,

We are porting zsh 5.5.1 in AIX. As part of the build, we are running
internal test suites by invoking "make check".

We are experiencing a hang issue with one of the testcase named "
A04redirect.ztst" . Below is the console output (with verbose set to 2 ).

ZTST_test: looking for new test
ZTST_test: examining line:

ZTST_test: examining line:
  fn() { local foo; read foo; print $foo; }
ZTST_getchunk: read code chunk:
  fn() { local foo; read foo; print $foo; }
  coproc fn
  print test output >&p
  read bar <&p
  print $bar
ZTST_test: examining line:
>test output
ZTST_getredir: read redir for '>':
test output
test output
ZTST_test: examining line:

Running test: '>&p' and '<&p' redirection
ZTST_test: expecting status: 0
Input: /tmp/zsh.ztst.2359968/ztst.in,
output: /tmp/zsh.ztst.2359968/ztst.out,
error: /tmp/zsh.ztst.2359968/ztst.terr
test output




It hanged at this step.

Any help would be great.

Thanks
Ayappan P