Merge pull request #79347 from kateinoigakukun/pr-8e92b88f71e902460e83c323bd92071f40e3f165

[SIL] Explicitly use `uint64_t` for `maxBitfieldID`

Author: eeckstein

include/swift/SIL/SILBasicBlock.h

@@ -154,7 +154,7 @@ public SwiftObjectHeader {
 
   enum { numCustomBits = std::numeric_limits<CustomBitsType>::digits };
 
-  constexpr static const size_t maxBitfieldID =
+  constexpr static const uint64_t maxBitfieldID =
       std::numeric_limits<uint64_t>::max();
 
   /// Gets the ID (= index in the function's block list) of the block.

include/swift/SIL/SILNode.h

@@ -128,7 +128,7 @@ class alignas(8) SILNode :
 
   enum { numCustomBits = 20 };
 
-  constexpr static const size_t maxBitfieldID =
+  constexpr static const uint64_t maxBitfieldID =
       std::numeric_limits<uint64_t>::max() >> numCustomBits;
 
 protected:

include/swift/SIL/SILValue.h

@@ -1033,7 +1033,7 @@ class Operand {
 public:
   enum { numCustomBits = 8 };
 
-  constexpr static const size_t maxBitfieldID =
+  constexpr static const uint64_t maxBitfieldID =
       std::numeric_limits<uint64_t>::max() >> numCustomBits;
 
 private: