diff options
Diffstat (limited to 'gcc/testsuite/g++.dg/opt/anchor1.C')
-rw-r--r-- | gcc/testsuite/g++.dg/opt/anchor1.C | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/opt/anchor1.C b/gcc/testsuite/g++.dg/opt/anchor1.C new file mode 100644 index 000000000..e24b0a4fe --- /dev/null +++ b/gcc/testsuite/g++.dg/opt/anchor1.C @@ -0,0 +1,59 @@ +// { dg-do run } +// { dg-options "-O2" } + +// The size of the construction vtable for YFont in YCoreFont was not +// updated to reflect its actual size. On targets with section anchor +// support, the vtable for YCoreFont was laid out immediately after +// that, but the compiler thought it was about 40 bytes closer to the +// anchor than it actually was. + +extern "C" void abort (void); + +class refcounted { +public: + int __refcount; + +public: + refcounted(): __refcount(0) {}; + virtual ~refcounted() {} +}; + +class YFont : public virtual refcounted { +public: + virtual ~YFont() {} + + virtual int ascent() const = 0; +}; + +struct XFontStruct { +}; + +class YCoreFont : public YFont { +public: + YCoreFont(char const * name); + virtual ~YCoreFont(); + + virtual int ascent() const { return 2; } + +private: + XFontStruct * fFont; +}; + +YCoreFont::YCoreFont(char const * name) { +} + +YCoreFont::~YCoreFont() { +} + +int foo(YCoreFont *ycf) +{ + return ycf->ascent (); +} + +int main() +{ + YCoreFont ycf(""); + if (foo(&ycf) != 2) + abort (); + return 0; +} |