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Diffstat (limited to 'gcc/testsuite/g++.old-deja/g++.bugs/900519_03.C')
-rw-r--r-- | gcc/testsuite/g++.old-deja/g++.bugs/900519_03.C | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.old-deja/g++.bugs/900519_03.C b/gcc/testsuite/g++.old-deja/g++.bugs/900519_03.C new file mode 100644 index 00000000000..114d90960bf --- /dev/null +++ b/gcc/testsuite/g++.old-deja/g++.bugs/900519_03.C @@ -0,0 +1,47 @@ +// g++ 1.37.1 bug 900519_03 + +// The C++ Reference Manual says (in section 8.4.3) "A reference to a +// volatile T can be initialized with a volatile T or a plain T but not a +// const T. A reference to a const T can be initialized with a const T or +// a plain T or something that can be converted into a plain T, but not a +// volatile T." + +// g++ fails to disgnose such errors in most cases. + +// keywords: references, initialization, type qualifiers + +extern const int cint_obj; +extern volatile int vint_obj; + +void take_cint_ref (const int& arg) { } // ERROR - +void take_vint_ref (volatile int& arg) { } // ERROR - + +const int& global_cint_ref2 = vint_obj; // ERROR - + +volatile int& global_vint_ref1 = cint_obj; // ERROR - + +extern const int& extern_cint_ref; +extern volatile int& extern_vint_ref; + +void test_0 () +{ + const int& local_cint_ref2 = vint_obj; // ERROR - + + volatile int& local_vint_ref1 = cint_obj; // ERROR - +} + +void test_1 () +{ + take_cint_ref (vint_obj); // ERROR - + + take_vint_ref (cint_obj); // ERROR - caught +} + +void test_2 () +{ + take_cint_ref (extern_vint_ref); // ERROR - + + take_vint_ref (extern_cint_ref); // ERROR - +} + +int main () { return 0; } |