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Do not allow bytecode files with unresolved references to be read. Doing
so lets wierd ConstantPlaceholder objects sneak into the system which confuses it greatly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18487 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1312,7 +1312,7 @@ Constant *BytecodeReader::ParseConstantValue(unsigned TypeID) {
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// Construct a ConstantExpr of the appropriate kind
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if (isExprNumArgs == 1) { // All one-operand expressions
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if (Opcode != Instruction::Cast)
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error("Only Cast instruction has one argument for ConstantExpr");
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error("Only cast instruction has one argument for ConstantExpr");
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Constant* Result = ConstantExpr::getCast(ArgVec[0], getType(TypeID));
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if (Handler) Handler->handleConstantExpression(Opcode, ArgVec, Result);
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@ -1568,6 +1568,12 @@ void BytecodeReader::ParseConstantPool(ValueTable &Tab,
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}
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}
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}
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// After we have finished parsing the constant pool, we had better not have
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// any dangling references left.
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if (!ConstantFwdRefs.empty())
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error("Unresolved constant references exist!");
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checkPastBlockEnd("Constant Pool");
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if (Handler) Handler->handleGlobalConstantsEnd();
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}
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