diff options
Diffstat (limited to 'gcc/testsuite/g++.old-deja/g++.robertl/eb75.C')
| -rw-r--r-- | gcc/testsuite/g++.old-deja/g++.robertl/eb75.C | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb75.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb75.C new file mode 100644 index 000000000..c032c2a78 --- /dev/null +++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb75.C @@ -0,0 +1,19 @@ +// { dg-do assemble } +int*& foo (int const *& x) +{ + return const_cast<int*&> (x); +} + +/* +If the references in this example are changed to pointers (change +all `&''s to `*'), no warnings result. + +I think this is incorrect according to CD2 5.2.11, para 4: + +4 An lvalue of type T1 can be explicitly converted to an lvalue of type + T2 using the cast const_cast<T2&> (where T1 and T2 are object types) + if a pointer to T1 can be explicitly converted to the type pointer to + T2 using a const_cast. The result of a reference const_cast refers to + the original object. + +*/ |