Add a regression test for recent regression in pair. #97355
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PR llvm#96165 broke code similar to this test, and was subsequently reverted. Add a test-case, to ensure the problem won't reoccur.
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@llvm/pr-subscribers-libcxx Author: James Y Knight (jyknight) ChangesPR #96165 broke code similar to this test, and was subsequently reverted. Add a test-case, to ensure the problem won't reoccur. Full diff: https://github.com/llvm/llvm-project/pull/97355.diff 1 Files Affected:
diff --git a/libcxx/test/libcxx/utilities/utility/pairs/pairs.pair/pair.incomplete.verify.cpp b/libcxx/test/libcxx/utilities/utility/pairs/pairs.pair/pair.incomplete.verify.cpp
new file mode 100644
index 0000000000000..d0832ea311690
--- /dev/null
+++ b/libcxx/test/libcxx/utilities/utility/pairs/pairs.pair/pair.incomplete.verify.cpp
@@ -0,0 +1,15 @@
+// Check that instantiating pair doesn't look up type traits "too early", before
+// the contained types have been completed.
+//
+// This is a regression test, to prevent a reoccurrance of the issue introduced in
+// 5e1de27f680591a870d78e9952b23f76aed7f456.
+
+// expected-no-diagnostics
+#include <utility>
+#include <vector>
+
+struct Test {
+ std::vector<std::pair<int, Test>> v;
+};
+
+std::pair<int, Test> p;
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philnik777
reviewed
Jul 2, 2024
| @@ -0,0 +1,15 @@ | |||
| // Check that instantiating pair doesn't look up type traits "too early", before | |||
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Please add a license header
ldionne
approved these changes
Jul 2, 2024
| // This is a regression test, to prevent a reoccurrance of the issue introduced in | ||
| // 5e1de27f680591a870d78e9952b23f76aed7f456. | ||
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| // expected-no-diagnostics |
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Let's make this a .compile.pass.cpp test instead of .verify.pass.cpp, that way it can run under all compiler.
jyknight
commented
Jul 2, 2024
| @@ -0,0 +1,15 @@ | |||
| // Check that instantiating pair doesn't look up type traits "too early", before | |||
| // This is a regression test, to prevent a reoccurrance of the issue introduced in | ||
| // 5e1de27f680591a870d78e9952b23f76aed7f456. | ||
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| // expected-no-diagnostics |
philnik777
approved these changes
Jul 2, 2024
cpiaseque
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Jul 3, 2024
PR llvm#96165 broke code similar to this test, and was subsequently reverted. Add a test-case, to ensure the problem won't reoccur. This error is potentially related to issues llvm#59292 and llvm#59966.
kbluck
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to kbluck/llvm-project
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Jul 6, 2024
PR llvm#96165 broke code similar to this test, and was subsequently reverted. Add a test-case, to ensure the problem won't reoccur. This error is potentially related to issues llvm#59292 and llvm#59966.
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PR #96165 broke code similar to this test, and was subsequently reverted. Add a test-case, to ensure the problem won't reoccur.
This error is potentially related to issues #59292 and #59966.