Fix sets for architectures with default integers smaller than 32 bits (#15258) [backport]

Author: PMunch

compiler/ccgexprs.nim

@@ -1796,9 +1796,9 @@ template binaryExprIn(p: BProc, e: PNode, a, b, d: var TLoc, frmt: string) =
 
 proc genInExprAux(p: BProc, e: PNode, a, b, d: var TLoc) =
   case int(getSize(p.config, skipTypes(e[1].typ, abstractVar)))
-  of 1: binaryExprIn(p, e, a, b, d, "(($1 &(1U<<((NU)($2)&7U)))!=0)")
-  of 2: binaryExprIn(p, e, a, b, d, "(($1 &(1U<<((NU)($2)&15U)))!=0)")
-  of 4: binaryExprIn(p, e, a, b, d, "(($1 &(1U<<((NU)($2)&31U)))!=0)")
+  of 1: binaryExprIn(p, e, a, b, d, "(($1 &((NU8)1<<((NU)($2)&7U)))!=0)")
+  of 2: binaryExprIn(p, e, a, b, d, "(($1 &((NU16)1<<((NU)($2)&15U)))!=0)")
+  of 4: binaryExprIn(p, e, a, b, d, "(($1 &((NU32)1<<((NU)($2)&31U)))!=0)")
   of 8: binaryExprIn(p, e, a, b, d, "(($1 &((NU64)1<<((NU)($2)&63U)))!=0)")
   else: binaryExprIn(p, e, a, b, d, "(($1[(NU)($2)>>3] &(1U<<((NU)($2)&7U)))!=0)")