| // Special g++ Options: -felide-constructors |
| // GROUPS passed temps |
| // temps file |
| // Message-Id: <9311102043.AA22871@ses.com> |
| // From: jamshid@ses.com (Jamshid Afshar) |
| // Subject: elide-constructors (aka return value optimization) |
| // Date: Wed, 10 Nov 93 14:43:54 CST |
| |
| #include <stdio.h> |
| |
| class X { |
| int i; |
| public: |
| X(); |
| X(const X&); |
| X(int); |
| ~X(); |
| }; |
| |
| int did_it = 0; |
| |
| X::X() { ; } |
| X::X(const X&) { did_it = 1; } |
| X::X(int) { ; } |
| X::~X() { ; } |
| |
| X foo() { |
| X x(1); |
| return x; |
| } |
| |
| main() { |
| X x = foo(); |
| if (did_it) |
| printf ("FAIL\n"); |
| else |
| printf ("PASS\n"); |
| } |
