Restore verbatim functionality (bench 5634666)

Makefile

@@ -7,7 +7,7 @@ ECHO = $(if $(filter 1,$(SKIP_DEPS)),@,)
 CC := clang
 EXE_BASE := bin/heimdall
 EXE := $(EXE_BASE)$(if $(OS),.exe,)
-EVALFILE := ../networks/files/laevateinn-v2.bin
+EVALFILE := ../networks/files/laevateinn-v2-verbatim.bin
 NET_NAME := $(notdir $(EVALFILE))
 NET_ID := $(basename $(NET_NAME))
 LD := lld
@@ -29,7 +29,7 @@ OUTPUT_BUCKETS := 8
 MERGED_KINGS := 0
 EVAL_NORMALIZE_FACTOR := 337
 HORIZONTAL_MIRRORING := 1
-VERBATIM_NET := 0
+VERBATIM_NET := 1
 PAIRWISE_NET := 0
 HL_SIZE := 1536
 FT_SIZE := 768

src/heimdall/eval.nim

@@ -91,8 +91,10 @@ proc newEvalState*(networkPath: string = "", verbose: static bool = true): EvalS
         else:
             when verbose:
                 echo "info string using verbatim network"
-            let temp = cast[ptr Network](VERBATIM_NET_DATA)
-            network = temp[]
+            # Don't even bother asking me why I need these shenanigans. I couldn't tell you.
+            # Nim generates invalid C code unless we do this weird dance
+            let temp = cast[ptr UncheckedArray[byte]](VERBATIM_NET_DATA)
+            network  = cast[ptr Network](temp)[]
     else:
         network = loadNet(networkPath)