Fixup for r217830. Don't do left shifts on negative values

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217974 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/Support/LEB128.h b/include/llvm/Support/LEB128.h
index 9e229fbf9cf8d0d14e16c020e9a93ec8bd1704de..6a95432ca2d93c69dd5c89e5186844d75d8f3b81 100644 (file)
--- a/include/llvm/Support/LEB128.h
+++ b/include/llvm/Support/LEB128.h
@@ -103,7 +103,7 @@ inline int64_t decodeSLEB128(const uint8_t *p, unsigned *n = nullptr) {
   } while (Byte >= 128);
   // Sign extend negative numbers.
   if (Byte & 0x40)
-    Value |= (-1LL) << Shift;
+    Value |= (-1ULL) << Shift;
   if (n)
     *n = (unsigned)(p - orig_p);
   return Value;