diff options
Diffstat (limited to 'gcc/testsuite/g++.old-deja/g++.brendan/copy6.C')
-rw-r--r-- | gcc/testsuite/g++.old-deja/g++.brendan/copy6.C | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.old-deja/g++.brendan/copy6.C b/gcc/testsuite/g++.old-deja/g++.brendan/copy6.C new file mode 100644 index 000000000..8e1513190 --- /dev/null +++ b/gcc/testsuite/g++.old-deja/g++.brendan/copy6.C @@ -0,0 +1,56 @@ +// { dg-do run } +// GROUPS passed copy-ctors +/* +g++ 2.3.3 will prefer using type conversions over the +implicitly generated copy constructor. This is wrong. +If you explicitly define a copy constructor, it will +use it. However, the implicit copy constructor MUST be +called whenever an explicit one would have been called +also. See below: g++ converts from and back into +unsigned, instead of using the implicit copy constructor: +here is the version: +Reading specs from /usr/lib/gcc-lib/i386-linux/2.3.3/specs +gcc version 2.3.3 + /usr/lib/gcc-lib/i386-linux/2.3.3/cpp -lang-c++ -v -undef -D__GNUC__=2 -D__GNUG__=2 -D__cplusplus -Dunix -Di386 -Dlinux -D__unix__ -D__i386__ -D__linux__ -D__unix -D__i386 -D__linux bug2.cc /usr/tmp/cca02008.i +GNU CPP version 2.3.3 (80386, BSD syntax) + /usr/lib/gcc-lib/i386-linux/2.3.3/cc1plus /usr/tmp/cca02008.i -quiet -dumpbase bug2.cc -version -o /usr/tmp/cca02008.s +GNU C++ version 2.3.3 (80386, BSD syntax) compiled by GNU C version 2.3.3. + as -o /usr/tmp/cca020081.o /usr/tmp/cca02008.s + ld /usr/lib/crt0.o -nojump -L/usr/lib/gcc-lib/i386-linux/2.3.3 /usr/tmp/cca020081.o -lg++ -lgcc -lc -lgcc + +Ok, and here is the output: +test k: constructing from scratch +test l=k: type conversion into unsigned +constructing from unsigned + +*/ + +extern "C" int printf (const char *, ...); +extern "C" void exit (int); + +int count = 0; + +void die () { printf ("FAIL\n"); exit (1); } + +struct test { + test() { if (count != 0) die (); } + + test(unsigned) { + die (); + } + operator unsigned() { + die (); + return 0; + } +}; + +int +main() { + test k; + test l=k; + + printf ("PASS\n"); + + return 0; +} + |