[C++ testcase, committed] PR 55708
Paolo Carlini
paolo.carlini@oracle.com
Fri Apr 26 13:22:00 GMT 2013
Hi,
tested x86_64-linux, committed to mainline.
Thanks,
Paolo.
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2013-04-26 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/55708
* g++.dg/cpp0x/constexpr-55708.C: New.
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Index: g++.dg/cpp0x/constexpr-55708.C
===================================================================
--- g++.dg/cpp0x/constexpr-55708.C (revision 0)
+++ g++.dg/cpp0x/constexpr-55708.C (working copy)
@@ -0,0 +1,30 @@
+// PR c++/55708
+// { dg-do compile { target c++11 } }
+
+template<int N,int NNN>
+struct AA { static constexpr int val = N; };
+
+template<typename A,typename B>
+//constexpr unsigned long long mymax(A a,B b){ // <-- compiles
+constexpr unsigned long long mymax(A && a,const B& b){
+ return a<b?b:a;
+}
+
+template<char... List>
+constexpr long long operator"" _y() noexcept
+{
+ return AA<1, mymax(1,2)>::val; // <-- crashes gcc
+ // return mymax(1,2); // <-- compiles
+ // return AA<1,2>::val; // <-- compiles
+}
+
+template<char... List>
+constexpr unsigned long long do_y() noexcept
+{
+ return AA<1, mymax(1,2)>::val; // <-- crashes gcc
+}
+
+int main()
+{
+ return 1_y + do_y();
+}
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