jdenny marked an inline comment as done.
jdenny added inline comments.

================
Comment at: llvm/unittests/ADT/APSIntTest.cpp:188-194
+  EXPECT_FALSE(CharBoundaryUnder.isNegative());
+  EXPECT_TRUE(CharBoundaryUnder.isNonNegative());
+  EXPECT_TRUE(CharBoundaryUnder.isStrictlyPositive());
+
+  EXPECT_FALSE(CharBoundaryOver.isNegative());
+  EXPECT_TRUE(CharBoundaryOver.isNonNegative());
+  EXPECT_TRUE(CharBoundaryOver.isStrictlyPositive());
----------------
lebedev.ri wrote:
> I do not understand.
> `0x7f` is 127, it is obviously a maximal positive 8-bit value.
> but `0x80` is 128 aka -128, is it not minimal negative 8-bit value?
> Is the test correct?
This test checks that unsigned types are never seen as negative, so it's 
checking values that would be negative if the type were signed.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D59712/new/

https://reviews.llvm.org/D59712



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