Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp2a/array-conv8.C @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
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date | Thu, 13 Feb 2020 11:34:05 +0900 |
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// PR c++/69531 - DR 1307, Overload resolution based on size of array init-list. // { dg-do run { target c++2a } } // Example from [over.ics.rank]. int f(int (&&)[] ) { return 1; } // #1 int f(double (&&)[] ) { return 2; } // #2 int f(int (&&)[2]) { return 3; } // #3 int main () { // Calls #1: Better than #2 due to conversion, better than #3 due to bounds. if (f({1}) != 1) __builtin_abort (); // Calls #2: Identity conversion is better than floating-integral conversion. if (f({1.0}) != 2) __builtin_abort (); // Calls #2: Identity conversion is better than floating-integral conversion. if (f({1.0, 2.0}) != 2) __builtin_abort (); // Calls #3: Converting to array of known bound is better than to unknown // bound, and an identity conversion is better than floating-integral // conversion. if (f({1, 2}) != 3) __builtin_abort (); }