diff options
Diffstat (limited to 'gcc/testsuite/g++.old-deja/g++.jason/thunk3.C')
-rw-r--r-- | gcc/testsuite/g++.old-deja/g++.jason/thunk3.C | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.old-deja/g++.jason/thunk3.C b/gcc/testsuite/g++.old-deja/g++.jason/thunk3.C new file mode 100644 index 000000000..f0c1187b0 --- /dev/null +++ b/gcc/testsuite/g++.old-deja/g++.jason/thunk3.C @@ -0,0 +1,59 @@ +// { dg-do run } +// { dg-skip-if "fails with generic thunk support" { rs6000-*-* powerpc-*-eabi v850-*-* sh-*-* sh64-*-* h8*-*-* xtensa*-*-* m32r*-*-* lm32-*-* } { "*" } { "" } } +// Test that variadic function calls using thunks work right. +// Note that this will break on any target that uses the generic thunk +// support, because it doesn't support variadic functions. + + +#include <stdarg.h> + +struct A { + void* p; + A (void* q): p (q) { } + A (const A& a): p (a.p) { } +}; + +class CBase { +public: + virtual void BaseFunc(); +}; + +class MMixin { +public: + virtual A MixinFunc(int arg, ...) = 0; +}; + +class CExample : public CBase, public MMixin { +public: + A MixinFunc(int arg, ...); +}; + +void CBase::BaseFunc() +{ +} + +A CExample::MixinFunc(int arg, ...) +{ + va_list ap; + va_start (ap, arg); + + if (arg != 1 || va_arg (ap, int) != 2 || va_arg (ap, int) != 3 + || va_arg (ap, int) != 4 || va_arg (ap, int) != 5 + || va_arg (ap, int) != 6 || va_arg (ap, int) != 7 + || va_arg (ap, int) != 8 || va_arg (ap, int) != 9) + return 0; + return this; +} + +void* test(MMixin& anExample) +{ + return anExample.MixinFunc(1,2,3,4,5,6,7,8,9).p; +} + +int main () +{ + CExample c; + + if (test(c) != &c) + return 1; +} |