From c211cd236cb0b4cda31657cd96668aace2e8e4ac Mon Sep 17 00:00:00 2001 From: David Malcolm Date: Thu, 8 Jan 2015 01:08:19 +0000 Subject: jit: Add checking for dereference of void * gcc/jit/ChangeLog: * jit-recording.h (gcc::jit::recording::type::is_void): New virtual function. (gcc::jit::recording::memento_of_get_type::is_void): New function, overriding default implementation. * libgccjit.c (gcc_jit_rvalue_dereference): Verify that the underlying type is not "void". gcc/testsuite/ChangeLog: * jit.dg/test-error-dereferencing-void-ptr.c: New test case. From-SVN: r219333 --- gcc/jit/libgccjit.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'gcc/jit/libgccjit.c') diff --git a/gcc/jit/libgccjit.c b/gcc/jit/libgccjit.c index 6853bb0..99b2d56 100644 --- a/gcc/jit/libgccjit.c +++ b/gcc/jit/libgccjit.c @@ -1664,6 +1664,13 @@ gcc_jit_rvalue_dereference (gcc_jit_rvalue *rvalue, rvalue->get_debug_string (), rvalue->get_type ()->get_debug_string ()); + RETURN_NULL_IF_FAIL_PRINTF2 ( + !underlying_type->is_void (), + rvalue->m_ctxt, loc, + "dereference of void pointer %s (type: %s)", + rvalue->get_debug_string (), + rvalue->get_type ()->get_debug_string ()); + return (gcc_jit_lvalue *)rvalue->dereference (loc); } -- cgit v1.1