[ADT] Fix comment typos in DenseMap.h

[kazutakahirata]

• The math is wrong.
• We are discussing "inequality".
• "For example" requires ",".

[llvmbot]

@llvm/pr-subscribers-llvm-adt

Author: Kazu Hirata (kazutakahirata)

Changes

• The math is wrong.
• We are discussing "inequality".
• "For example" requires ",".

---

Full diff: https://github.com/llvm/llvm-project/pull/158457.diff

1 Files Affected:

• (modified) llvm/include/llvm/ADT/DenseMap.h (+2-2)

diff --git a/llvm/include/llvm/ADT/DenseMap.h b/llvm/include/llvm/ADT/DenseMap.h
index f076049c55a26..23b672eaf8b47 100644
--- a/llvm/include/llvm/ADT/DenseMap.h
+++ b/llvm/include/llvm/ADT/DenseMap.h
@@ -372,8 +372,8 @@ class DenseMapBase : public DebugEpochBase {
     // Ensure that "NumEntries * 4 < NumBuckets * 3"
     if (NumEntries == 0)
       return 0;
-    // +1 is required because of the strict equality.
-    // For example if NumEntries is 48, we need to return 401.
+    // +1 is required because of the strict inequality.
+    // For example, if NumEntries is 48, we need to return 128.
     return NextPowerOf2(NumEntries * 4 / 3 + 1);
   }