PR middle-end/89294 - ICE in valid_constant_size_p

gcc/c-family/ChangeLog:

	PR middle-end/89294
	* c-common.c (invalid_array_size_error): Handle cst_size_not_constant.

gcc/ChangeLog:

	PR middle-end/89294
	* tree.c (valid_constant_size_p): Avoid assuming size is a constant
	expression.
	* tree.h (cst_size_error): Add the cst_size_not_constant enumerator.

From-SVN: r268990

1 files changed, 7 insertions, 1 deletions

diff --git a/gcc/tree.c b/gcc/tree.c
index af7abd8..30e01df 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -7521,7 +7521,13 @@ valid_constant_size_p (const_tree size, cst_size_error *perr /* = NULL */)
   if (!perr)
     perr = &error;
 
-  if (TREE_OVERFLOW (size))
+  if (TREE_CODE (size) != INTEGER_CST)
+    {
+      *perr = cst_size_not_constant;
+      return false;
+    }
+
+  if (TREE_OVERFLOW_P (size))
     {
       *perr = cst_size_overflow;
       return false;