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Issue an error for duplicate global variables.
Previously it was an assembler error.
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@ -188,6 +188,10 @@ static void Parse (void)
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if (CurTok.Tok == TOK_ASSIGN) {
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/* This is a definition */
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if (SymIsDef (Entry)) {
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Error ("Global variable `%s' has already been defined",
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Entry->Name);
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}
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Entry->Flags |= SC_DEF;
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/* We cannot initialize types of unknown size, or
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