Re: [PATCH 07/14] reject_gcc_builtin: strip any location wrappers

[Jason Merrill]

On 11/10/2017 04:45 PM, David Malcolm wrote:
Otherwise pr70144-1.c breaks.
gcc/c-family/ChangeLog:
        * c-common.c (reject_gcc_builtin): Strip any location from EXPR.
---
  gcc/c-family/c-common.c | 2 ++
  1 file changed, 2 insertions(+)

diff --git a/gcc/c-family/c-common.c b/gcc/c-family/c-common.c
index 24077c7..739c54e 100644
--- a/gcc/c-family/c-common.c
+++ b/gcc/c-family/c-common.c
@@ -7774,6 +7774,8 @@ pointer_to_zero_sized_aggr_p (tree t)
  bool
  reject_gcc_builtin (const_tree expr, location_t loc /* = UNKNOWN_LOCATION */)
  {
+  STRIP_ANY_LOCATION_WRAPPER (expr);
+
    if (TREE_CODE (expr) == ADDR_EXPR)
      expr = TREE_OPERAND (expr, 0);

Don't you want to strip the wrapper after we strip the ADDR_EXPR?  OK 
with that change.

Jason