test: add compare-panic

`zig build test-compare-panic`

Create basic tests to compare panic output. The address field
is replaced by a symbolic constant and each expected output is
specific to os. Tests will only run for explicitly defined
platforms.

see also #2485
a19e73d8aeMichael Dusan committed on 9/3/2019, 1:59:43 PM· committed by Andrew Kelleyparentd74b856
3 files changedLine totals unavailable