[flang-commits] [flang] [libc++] Prevent calling the projection more than three times (PR #66315)

Louis Dionne via flang-commits flang-commits at lists.llvm.org
Fri Sep 15 13:59:14 PDT 2023


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@@ -108,7 +108,33 @@ constexpr bool test() {
     auto prvalue_proj = [](const CheckDoubleMove& x) -> CheckDoubleMove { return x; };
     assert(&std::ranges::clamp(val, low, high, moving_comp, prvalue_proj) == &val);
   }
+  { // Make sure we don't call the projection more than three times per [alg.clamp], see #64717
+    int counter = 0;
+    auto projection_function = [counter](const int value) -> int {
+      assert(counter++ != 3);
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ldionne wrote:

I think you missed this comment!

https://github.com/llvm/llvm-project/pull/66315


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