[profile] Fix InstrProfGetRangeRepValue to use UINT64_C

[MaskRay]

Summary

This is a minor issue because the TargetValue parameter of __llvm_profile_instrument_memop
is usually small and cannot exceed 2**31 at all.

[MaskRay]

This is trivial so let me ping it even if it hasn't been one week :)

[MaskRay]

Ping:)

compiler-rt/include/profile/InstrProfData.inc

InstrProfGetRangeRepValue(uint64_t Value) {
   else if (Value >= 513)
     // The last range is mapped to its lowest value.
     return 513;
   else if (InstProfPopcountll(Value) == 1)
     // If it's a power of two, use it as is.
     return Value;
   else
     // Otherwise, take to the previous power of two + 1.
-    return (1 << (64 - InstProfClzll(Value) - 1)) + 1;
+    return (UINT64_C(1) << (64 - InstProfClzll(Value) - 1)) + 1;
 }
 
 /* Return true if the range that an (observed) memop size value belongs to has
  * only a single value in the range.  For example, 0 -> true, 8 -> true, 10 ->
  * false, 64 -> true, 100 -> false, 513 -> false. */
 INSTR_PROF_VISIBILITY INSTR_PROF_INLINE unsigned
 InstrProfIsSingleValRange(uint64_t Value) {
   if (Value <= 8)