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libstdc++-v3 was failing to build. Needed to handle composite types with empty

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members (running into a zero initializer.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26607 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Laskey 2006-03-08 02:07:02 +00:00
parent 25de486263
commit 2b0e309640
1 changed files with 8 additions and 5 deletions
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13
lib/CodeGen/MachineDebugInfo.cpp
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@ -263,12 +263,15 @@ public:
virtual void Apply(std::vector<DebugInfoDesc *> &Field) {
Constant *C = CI->getOperand(I++);
GlobalVariable *GV = getGlobalVariable(C);
ConstantArray *CA = cast<ConstantArray>(GV->getInitializer());
Field.resize(0);
for (unsigned i = 0, N = CA->getNumOperands(); i < N; ++i) {
GlobalVariable *GVE = getGlobalVariable(CA->getOperand(i));
DebugInfoDesc *DE = DR.Deserialize(GVE);
Field.push_back(DE);
// Have to be able to deal with the empty array case (zero initializer)
if (!GV->hasInitializer()) return;
if (ConstantArray *CA = dyn_cast<ConstantArray>(GV->getInitializer())) {
for (unsigned i = 0, N = CA->getNumOperands(); i < N; ++i) {
GlobalVariable *GVE = getGlobalVariable(CA->getOperand(i));
DebugInfoDesc *DE = DR.Deserialize(GVE);
Field.push_back(DE);
}
}
}
};