diff options
Diffstat (limited to 'gcc/testsuite/g++.old-deja/g++.other/optimize2.C')
-rw-r--r-- | gcc/testsuite/g++.old-deja/g++.other/optimize2.C | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.old-deja/g++.other/optimize2.C b/gcc/testsuite/g++.old-deja/g++.other/optimize2.C new file mode 100644 index 000000000..b34eae05e --- /dev/null +++ b/gcc/testsuite/g++.old-deja/g++.other/optimize2.C @@ -0,0 +1,75 @@ +// { dg-do run } +// { dg-options "-O2" } +// +// Copyright (C) 2001 Free Software Foundation, Inc. +// Contributed by Nathan Sidwell 26 May 2001 <nathan@codesourcery.com> + +// Bug 2823. Inlineing the body of a thunk broke things. But that's +// rarely a sensible thing to do anyway. + +#include <cstdio> +#include <cstdlib> + +int objCount = 0; + +struct Thing +{ + int count; + + Thing (); + Thing (Thing const &src); + + ~Thing (); + +}; + +Thing::Thing () + :count (0) +{ + objCount++; + std::printf ("%p %s\n", (void *)this,__PRETTY_FUNCTION__); +} + +Thing::Thing (Thing const &src) + :count (0) +{ + objCount++; + std::printf ("%p %s\n", (void *)this, __PRETTY_FUNCTION__); +} + +Thing::~Thing () +{ + std::printf ("%p %s\n", (void *)this, __PRETTY_FUNCTION__); + if (count) + std::abort (); + count--; + objCount--; +} + +void x(Thing name) +{ + // destruct name here +} + +class Base +{ + public: + virtual void test(const Thing& s) = 0; +}; + +class Impl : virtual public Base +{ + public: + virtual void test(const Thing& s) + { + x(s); // copy construct temporary + } +}; + +int main() +{ + Impl *impl = new Impl(); + + impl->test( Thing ()); // This will use a thunk + return objCount != 0; +} |