From 554fd8c5195424bdbcabf5de30fdc183aba391bd Mon Sep 17 00:00:00 2001 From: upstream source tree Date: Sun, 15 Mar 2015 20:14:05 -0400 Subject: obtained gcc-4.6.4.tar.bz2 from upstream website; verified gcc-4.6.4.tar.bz2.sig; imported gcc-4.6.4 source tree from verified upstream tarball. downloading a git-generated archive based on the 'upstream' tag should provide you with a source tree that is binary identical to the one extracted from the above tarball. if you have obtained the source via the command 'git clone', however, do note that line-endings of files in your working directory might differ from line-endings of the respective files in the upstream repository. --- gcc/testsuite/g++.dg/cpp0x/constexpr-empty4.C | 34 +++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 gcc/testsuite/g++.dg/cpp0x/constexpr-empty4.C (limited to 'gcc/testsuite/g++.dg/cpp0x/constexpr-empty4.C') diff --git a/gcc/testsuite/g++.dg/cpp0x/constexpr-empty4.C b/gcc/testsuite/g++.dg/cpp0x/constexpr-empty4.C new file mode 100644 index 000000000..b07f92464 --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp0x/constexpr-empty4.C @@ -0,0 +1,34 @@ +// { dg-options -std=c++0x } + +typedef decltype(sizeof(char)) size_type; + +template +constexpr size_type do_find_if_or_stop(T (&x)[N], size_type i, Pred p); + +template +constexpr size_type do_find_if(T (&x)[N], size_type i, Pred p) { + return p(x[i]) ? i : do_find_if_or_stop(x, i + 1, p); // line 8 +} + +template +constexpr size_type do_find_if_or_stop(T (&x)[N], size_type i, Pred p) { + return i == N ? N : do_find_if(x, i, p); +} // Line 14 + +template +constexpr size_type find_if(T (&x)[N], Pred p) { + return do_find_if(x, 0, p); // Line 18 +} + +constexpr long items_long[] = {1, 2, 3, 4, -5, 6, -7, 8}; + +template +struct IsNegative { + constexpr bool operator()(const T& x) { + return x < T(0); + } +}; + +constexpr auto pos1 = find_if(items_long, IsNegative{}); // Line 30 + +static_assert(pos1 == 4, "find_if failure"); -- cgit v1.2.3