Fix a bug that occurs when functions are defined with more than 16,382 parame...

src/ia32/full-codegen-ia32.cc

 // Copyright 2011 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 292 matching lines @@
     // Add a label for checking the size of the code used for returning.
     Label check_exit_codesize;
     masm_->bind(&check_exit_codesize);
 #endif
     SetSourcePosition(function()->end_position() - 1);
     __ RecordJSReturn();
     // Do not use the leave instruction here because it is too short to
     // patch with the code required by the debugger.
     __ mov(esp, ebp);
     __ pop(ebp);
-    __ ret((scope()->num_parameters() + 1) * kPointerSize);
+
+    int arguments_bytes = (scope()->num_parameters() + 1) * kPointerSize;
+    if (is_uint16(arguments_bytes)) {
+      __ ret(arguments_bytes);
+    } else {
+      __ pop(ecx);
+      __ add(Operand(esp), Immediate(arguments_bytes));
+      __ push(ecx);
+      __ ret(0);
+    }
 #ifdef ENABLE_DEBUGGER_SUPPORT
     // Check that the size of the code used for returning matches what is
     // expected by the debugger.
-    ASSERT_EQ(Assembler::kJSReturnSequenceLength,
-              masm_->SizeOfCodeGeneratedSince(&check_exit_codesize));
+    ASSERT(Assembler::kJSReturnSequenceLength <=
+           masm_->SizeOfCodeGeneratedSince(&check_exit_codesize));
 #endif
   }
 }
 
 
 FullCodeGenerator::ConstantOperand FullCodeGenerator::GetConstantOperand(
     Token::Value op, Expression* left, Expression* right) {
   ASSERT(ShouldInlineSmiCase(op));
   if (op == Token::DIV || op == Token::MOD || op == Token::MUL) {
     // We never generate inlined constant smi operations for these.
@@ skipping 4070 matching lines @@
   // And return.
   __ ret(0);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32