aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/constexpr-array-ptr5.C
diff options
context:
space:
mode:
authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/g++.dg/cpp0x/constexpr-array-ptr5.C
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
downloadtoolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz
toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2
toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/g++.dg/cpp0x/constexpr-array-ptr5.C')
-rw-r--r--gcc-4.9/gcc/testsuite/g++.dg/cpp0x/constexpr-array-ptr5.C32
1 files changed, 32 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/constexpr-array-ptr5.C b/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/constexpr-array-ptr5.C
new file mode 100644
index 000000000..eec32d672
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/constexpr-array-ptr5.C
@@ -0,0 +1,32 @@
+// { dg-do compile { target c++11 } }
+
+template<class T>
+constexpr T do_last(T* x, int n) {
+ return x[n - 1]; //
+}
+
+template<class T, int N>
+constexpr T last(T (&x)[N]) {
+ return do_last(x, N);
+}
+
+constexpr bool is_negative(int x) { return x < 0; }
+
+template<class T>
+struct IsNegative {
+ constexpr bool operator()(const T& x) {
+ return x < T(0);
+ }
+};
+
+template<class T, int N, class Pred>
+constexpr bool has_neg(T (&x)[N], Pred p) {
+ return p(last(x)); // Line 22
+}
+
+constexpr int a[] = {1, -2};
+
+constexpr auto answer1 = has_neg(a, IsNegative<int>{}); // Line 27
+constexpr auto answer2 = has_neg(a, is_negative);
+
+static_assert(answer2 == answer1, "Error");