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-rw-r--r--clang/test/SemaCXX/constexpr-depth.cpp8
1 files changed, 8 insertions, 0 deletions
diff --git a/clang/test/SemaCXX/constexpr-depth.cpp b/clang/test/SemaCXX/constexpr-depth.cpp
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+++ b/clang/test/SemaCXX/constexpr-depth.cpp
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+// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s -DMAX=128 -fconstexpr-depth 128
+// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s -DMAX=2 -fconstexpr-depth 2
+// RUN: %clang -std=c++11 -fsyntax-only -Xclang -verify %s -DMAX=10 -fconstexpr-depth=10
+
+constexpr int depth(int n) { return n > 1 ? depth(n-1) : 0; } // expected-note {{exceeded maximum depth}} expected-note +{{}}
+
+constexpr int kBad = depth(MAX + 1); // expected-error {{must be initialized by a constant expression}} expected-note {{in call to 'depth(}}
+constexpr int kGood = depth(MAX);