Add casting to const

The included test is derived from a real world case
which would lead to warnings in GCC if the pointer
wouldn't be explicitly casted to const.

diff --git a/Cython/Compiler/Nodes.py b/Cython/Compiler/Nodes.py
index f4b3852..57ff09f 100644 (file)
--- a/Cython/Compiler/Nodes.py
+++ b/Cython/Compiler/Nodes.py
@@ -1125,9 +1125,11 @@ class FusedTypeNode(CBaseTypeNode):
 
 
 class CConstTypeNode(CBaseTypeNode):
+    # name          string
     # base_type     CBaseTypeNode
 
     child_attrs = ["base_type"]
+    name = 'const'
 
     def analyse(self, env, could_be_name = False):
         base = self.base_type.analyse(env, could_be_name)

diff --git a/tests/compile/constcast.pyx b/tests/compile/constcast.pyx
new file mode 100644 (file)
index 0000000..3bbc0e3
--- /dev/null
+++ b/tests/compile/constcast.pyx
@@ -0,0 +1,8 @@
+# mode: compile
+from libc.stdlib cimport malloc, free
+
+cdef void f():
+    cdef const int **allocated = <const int **>malloc(sizeof(int *))
+    free(allocated)
+
+f()