p4test gives error for what looks like legal if code inside action

[jafingerhut]

See the attached P4 program, in particular action 'foo'. The error I get from both p4test and p4c-bm2-ss is:

error: Could not find declaration for pred

There is no line number for the error, and nothing in the program named 'pred'.

There are 3 lines inside action 'foo', as explained in the comments, such that commenting out or deleting any one of them causes the error to go away. That might help find a root cause for this issue.
could-not-find-pred-declaration.p4.txt

[jafingerhut]

Confirmed that after the commits for this issue, the test program I submitted no longer gives an error, and appears to produce a correct bmv2 JSON file using the ternary operator. Thanks for the fix.