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-rw-r--r--llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 0d2d02eba4d..7ba1fc187da 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -1059,8 +1059,9 @@ static void addDIEODRSignature(MD5 &Hash, CompileUnit *CU, DIE *Die) {
Hash.final(Result);
// ... take the least significant 8 bytes and store those as the attribute.
- uint64_t Signature;
- memcpy(&Signature, &Result[8], 8);
+ // Our MD5 implementation always returns its results in little endian, swap
+ // bytes appropriately.
+ uint64_t Signature = *reinterpret_cast<support::ulittle64_t *>(Result + 8);
// FIXME: This should be added onto the type unit, not the type, but this
// works as an intermediate stage.
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