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Not handling zero length strings.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31277 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Laskey 2006-10-29 08:27:07 +00:00
parent ba726ab3ec
commit d8cb446aa2
1 changed files with 2 additions and 2 deletions
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4
lib/Support/FoldingSet.cpp
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@ -61,7 +61,7 @@ void FoldingSetImpl::NodeID::AddString(const std::string &String) {
Pos = Units * sizeof(unsigned);
} else {
// Otherwise do it the hard way.
for ( Pos += 4; Pos < Size; Pos += 4) {
for ( Pos += 4; Pos <= Size; Pos += 4) {
unsigned V = ((unsigned char)String[Pos - 4] << 24) |
((unsigned char)String[Pos - 3] << 16) |
((unsigned char)String[Pos - 2] << 8) |
@ -77,7 +77,7 @@ void FoldingSetImpl::NodeID::AddString(const std::string &String) {
case 1: V = (V << 8) | (unsigned char)String[Size - 3]; // Fall thru.
case 2: V = (V << 8) | (unsigned char)String[Size - 2]; // Fall thru.
case 3: V = (V << 8) | (unsigned char)String[Size - 1]; break;
case 0: return; // Nothing left.
default: return; // Nothing left.
}
Bits.push_back(V);