[PATCH 2/2] Add assert for type on tree_nonzero_bits

[apinski--- via Gcc-patches]

From: Andrew Pinski <apin...@marvell.com>

Right now anyone could call tree_nonzero_bits with
either complex or vector types and this will return
the wrong thing. So just assert that nobody calls
it with this.

OK? Bootstrapped and tested with no regressions on x86_64-linux-gnu.

gcc/ChangeLog:

        * fold-const.cc (tree_nonzero_bits): Add
        assert.
---
 gcc/fold-const.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gcc/fold-const.cc b/gcc/fold-const.cc
index 7e1ea58518b..3ccac9b28df 100644
--- a/gcc/fold-const.cc
+++ b/gcc/fold-const.cc
@@ -16567,6 +16567,9 @@ c_getstr (tree str)
 wide_int
 tree_nonzero_bits (const_tree t)
 {
+  gcc_assert (TREE_CODE (TREE_TYPE (t)) != VECTOR_TYPE
+             && TREE_CODE (TREE_TYPE (t)) != COMPLEX_TYPE);
+
   switch (TREE_CODE (t))
     {
     case INTEGER_CST:
-- 
2.17.1