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| author | Mark Mitchell <mark@codesourcery.com> | 1999-04-30 12:17:10 +0000 |
|---|---|---|
| committer | Mark Mitchell <mmitchel@gcc.gnu.org> | 1999-04-30 12:17:10 +0000 |
| commit | b2ef49c88b09762a9bb560fec6ea0ce0d3ab879f (patch) | |
| tree | c267bce8a1fac13a13e5ce133239393393d81911 | |
| parent | a0e894a8cc0344dbbefc57523ff53e990854fcfb (diff) | |
| download | gcc-b2ef49c88b09762a9bb560fec6ea0ce0d3ab879f.zip gcc-b2ef49c88b09762a9bb560fec6ea0ce0d3ab879f.tar.gz gcc-b2ef49c88b09762a9bb560fec6ea0ce0d3ab879f.tar.bz2 | |
typeck.c (build_const_cast): Disallow use of const_cast to anything but a pointer or reference type.
* typeck.c (build_const_cast): Disallow use of const_cast to
anything but a pointer or reference type.
From-SVN: r26708
| -rw-r--r-- | gcc/cp/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/cp/typeck.c | 8 | ||||
| -rw-r--r-- | gcc/testsuite/g++.old-deja/g++.other/cast2.C | 11 |
3 files changed, 24 insertions, 0 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index a6dec3a..3bb29de 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,3 +1,8 @@ +1999-04-30 Mark Mitchell <mark@codesourcery.com> + + * typeck.c (build_const_cast): Disallow use of const_cast to + anything but a pointer or reference type. + 1999-04-30 Nathan Sidwell <nathan@acm.org> * decl.c (cp_finish_decl): Don't permit arrays of abstract or diff --git a/gcc/cp/typeck.c b/gcc/cp/typeck.c index 0053f1d..c01131a 100644 --- a/gcc/cp/typeck.c +++ b/gcc/cp/typeck.c @@ -5633,6 +5633,14 @@ build_const_cast (type, expr) if (type == error_mark_node || expr == error_mark_node) return error_mark_node; + if (!POINTER_TYPE_P (type) && !TYPE_PTRMEMFUNC_P (type)) + { + cp_error ("`%T' is not a pointer, reference, or pointer-to-member type", + type); + cp_error ("as required by const_cast"); + return error_mark_node; + } + if (TREE_CODE (expr) == OFFSET_REF) expr = resolve_offset_ref (expr); diff --git a/gcc/testsuite/g++.old-deja/g++.other/cast2.C b/gcc/testsuite/g++.old-deja/g++.other/cast2.C new file mode 100644 index 0000000..cd49640 --- /dev/null +++ b/gcc/testsuite/g++.old-deja/g++.other/cast2.C @@ -0,0 +1,11 @@ +// Build don't link: +// Origin: Mark Mitchell <mark@codesourcery.com> + +struct A { +}; + +int main() +{ + A a; + const_cast<const A>(a); // ERROR - const_cast requires pointer/ref types +} |