Resolve type mismatches.

compiler/ccgexprs.nim

@@ -484,7 +484,7 @@ proc unaryArithOverflow(p: BProc, e: PNode, d: var TLoc, m: TMagic) =
     opr: array[mUnaryMinusI..mAbsI64, string] = [
       mUnaryMinusI: "((NI$2)-($1))",
       mUnaryMinusI64: "-($1)",
-      mAbsI: "(NI$2)abs($1)",
+      mAbsI: "($1 > 0? ($1) : -($1))",
       mAbsI64: "($1 > 0? ($1) : -($1))"]
   var
     a: TLoc

koch.nim

@@ -152,7 +152,7 @@ proc boot(args: string) =
   copyExe(findStartNimrod(), 0.thVersion)
   for i in 0..2:
     echo "iteration: ", i+1
-    exec i.thVersion & " cc $# $# compiler" / "nimrod.nim" % [bootOptions, args]
+    exec i.thVersion & " cpp $# $# compiler" / "nimrod.nim" % [bootOptions, args]
     if sameFileContent(output, i.thVersion):
       copyExe(output, finalDest)
       echo "executables are equal: SUCCESS!"
@@ -282,7 +282,7 @@ proc tests(args: string) =
 proc temp(args: string) =
   var output = "compiler" / "nimrod".exe
   var finalDest = "bin" / "nimrod_temp".exe
-  exec("nimrod c compiler" / "nimrod")
+  exec("nimrod cpp compiler" / "nimrod")
   copyExe(output, finalDest)
   if args.len > 0: exec(finalDest & " " & args)
 

lib/system/sets.nim

@@ -10,7 +10,7 @@
 # set handling
 
 type
-  TNimSet = array [0..4*2048-1, int8]
+  TNimSet = array [0..4*2048-1, uint8]
 
 proc countBits32(n: int32): int {.compilerproc.} =
   var v = n
@@ -25,4 +25,4 @@ proc countBits64(n: int64): int {.compilerproc.} =
 proc cardSet(s: TNimSet, len: int): int {.compilerproc.} =
   result = 0
   for i in countup(0, len-1):
-    inc(result, countBits32(int32(ze(s[i]))))
+    inc(result, countBits32(int32(s[i])))