exact-print takes unusually long to compile with -finfo-table-map
* `-O0`: 4.3s
* `-O0 -finfo-table-map`: 5.4s
* `-O0 -finfo-table-map -fdistinct-constructor-tables`: 6.3s
* `-O1`: 123s
* `-O1 -finfo-table-map`: 722s total, 307s in codegen
Nearly all of the surplus time is spent in CodeGen. Yikes.
issue