These asserts are no longer pointless.

Change-Id: I32cfd2334de344156a41d1c2d7c10a8d96e970c4
diff --git a/libdex/InstrUtils.h b/libdex/InstrUtils.h
index 10cb2a9..3f77411 100644
--- a/libdex/InstrUtils.h
+++ b/libdex/InstrUtils.h
@@ -146,7 +146,7 @@
  */
 DEX_INLINE size_t dexGetWidthFromOpcode(Opcode opcode)
 {
-    //assert(/*opcode >= 0 &&*/ opcode < kNumPackedOpcodes);
+    assert((u4) opcode < kNumPackedOpcodes);
     return gDexOpcodeInfo.widths[opcode];
 }
 
@@ -162,7 +162,7 @@
  */
 DEX_INLINE OpcodeFlags dexGetFlagsFromOpcode(Opcode opcode)
 {
-    //assert(/*opcode >= 0 &&*/ opcode < kNumPackedOpcodes);
+    assert((u4) opcode < kNumPackedOpcodes);
     return gDexOpcodeInfo.flags[opcode];
 }
 
@@ -179,7 +179,7 @@
  */
 DEX_INLINE InstructionFormat dexGetFormatFromOpcode(Opcode opcode)
 {
-    //assert(/*opcode >= 0 &&*/ opcode < kNumPackedOpcodes);
+    assert((u4) opcode < kNumPackedOpcodes);
     return (InstructionFormat) gDexOpcodeInfo.formats[opcode];
 }
 
@@ -188,7 +188,7 @@
  */
 DEX_INLINE InstructionIndexType dexGetIndexTypeFromOpcode(Opcode opcode)
 {
-    //assert(/*opcode >= 0 &&*/ opcode < kNumPackedOpcodes);
+    assert((u4) opcode < kNumPackedOpcodes);
     return (InstructionIndexType) gDexOpcodeInfo.indexTypes[opcode];
 }