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Fix PR1577, a crash on invalid bug.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40874 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-08-06 21:00:37 +00:00
parent a583990ec8
commit 6df20efcc3
2 changed files with 8 additions and 0 deletions
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1
lib/AsmParser/llvmAsmParser.y
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@ -1980,6 +1980,7 @@ ThreadLocal : THREAD_LOCAL { $$ = true; } | { $$ = false; };
AliaseeRef : ResultTypes SymbolicValueRef {
const Type* VTy = $1->get();
Value *V = getVal(VTy, $2);
CHECK_FOR_ERROR
GlobalValue* Aliasee = dyn_cast<GlobalValue>(V);
if (!Aliasee)
GEN_ERROR("Aliases can be created only to global values");

7
test/Assembler/2007-08-06-AliasInvalid.ll Normal file
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@ -0,0 +1,7 @@
; RUN: llvm-as < %s > /dev/null |& grep {Invalid type for reference to global}
; PR1577
@anInt = global i32 1 alias i32 @anAlias
define i32 @main() {
ret i32 0
}