[llvm] [ADT] Add unit tests for set_subtract (PR #99561)

[Nikita Popov via llvm-commits]

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@@ -199,6 +201,42 @@ TEST(SetOperationsTest, SetSubtract) {
   EXPECT_EQ(ExpectedSet2, Set2);
 }
 
+TEST(SetOperationsTest, SetSubtractSmallPtrSet) {
+  int A[4];
+
+  // Set1.size() < Set2.size()
+  llvm::SmallPtrSet<int *, 4> Set1 = {&A[0], &A[1]};
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nikic wrote:

Remove llvm:: prefixes.

https://github.com/llvm/llvm-project/pull/99561