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fix PR5983, reject function bodies with no blocks per the grammar.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93067 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-01-09 19:20:07 +00:00
parent 873187c042
commit 2fdf8dbed5
1 changed files with 4 additions and 0 deletions
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lib/AsmParser/LLParser.cpp
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@ -2779,6 +2779,10 @@ bool LLParser::ParseFunctionBody(Function &Fn) {
PerFunctionState PFS(*this, Fn, FunctionNumber);
// We need at least one basic block.
if (Lex.getKind() == lltok::rbrace || Lex.getKind() == lltok::kw_end)
return TokError("function body requires at least one basic block");
while (Lex.getKind() != lltok::rbrace && Lex.getKind() != lltok::kw_end)
if (ParseBasicBlock(PFS)) return true;