Correct dumb assert.

src/arm/codegen-arm.cc

 // Copyright 2006-2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 3310 matching lines @@
   __ b(ne, &not_a_flat_string);
 
   // Check whether it is an ASCII string.
   ASSERT_EQ(0, kTwoByteStringTag);
   __ tst(r2, Operand(kStringEncodingMask));
   __ b(ne, &ascii_string);
 
   // 2-byte string.  We can add without shifting since the Smi tag size is the
   // log2 of the number of bytes in a two-byte character.
   ASSERT_EQ(1, kSmiTagSize);
-  ASSERT_EQ(1, kSmiShiftSize);
+  ASSERT_EQ(0, kSmiShiftSize);
   __ add(r1, r1, Operand(r0));
   __ ldrh(r0, FieldMemOperand(r1, SeqTwoByteString::kHeaderSize));
   __ mov(r0, Operand(r0, LSL, kSmiTagSize));
   __ jmp(&end);
 
   __ bind(&ascii_string);
   __ add(r1, r1, Operand(r0, LSR, kSmiTagSize));
   __ ldrb(r0, FieldMemOperand(r1, SeqAsciiString::kHeaderSize));
   __ mov(r0, Operand(r0, LSL, kSmiTagSize));
   __ jmp(&end);
@@ skipping 3086 matching lines @@
 int CompareStub::MinorKey() {
   // Encode the two parameters in a unique 16 bit value.
   ASSERT(static_cast<unsigned>(cc_) >> 28 < (1 << 15));
   return (static_cast<unsigned>(cc_) >> 27) | (strict_ ? 1 : 0);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal