[bug #15919] Make-3.81 rc1 hangs with -j 2 but not with -j 1

[anonymous]

Follow-up Comment #21, bug #15919 (project make):

(comment by J. David Bryan, original submitter)

I have built separate versions of make with Paul's patch from Comment #20 and
Icarus' patch from Comment #18.  Both fix the problem in the original bug
submission.  However, Paul's patch appears to fail with this sequence of
commands (using the original makefile):

$ touch test.0 && make-p
touch test.1
touch test.2
touch test.3
touch test.int
touch test.4
rm test.int

[the above is correct]

$ touch test.0 && make-p
touch test.1
touch test.2
touch test.int
touch test.4
rm test.int

[the above is correct -- test.3 is not remade]

$ touch test.0 test.3 && make-p
touch test.int
touch test.4
rm test.int

[the above is incorrect -- test.1 and test.2 are not remade]

If I repeat the last command using Icarus' patched version, it works as
expected:

$ touch test.0 test.3 && make-i
touch test.1
touch test.2
touch test.int
touch test.4
rm test.int

[the above is correct]

If I run the last command with Paul's patched version, I note the following
lines in the debug output log produced with the "-d" option:

    Considering target file `test.2'.
    File `test.2' was considered already.

...except that test.2 wasn't previously considered, according to the log.


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