Fix conversion in a?0:ptr.

(cond ? 0 : ptr)->member wasn't handled correctly.  If one arm
is a null pointer constant (which also can be a pointer) the result
type is that of the other arm.

1 files changed, 13 insertions, 0 deletions

diff --git a/tests/tcctest.c b/tests/tcctest.c
index f0d82cf..723adc1 100644
--- a/tests/tcctest.c
+++ b/tests/tcctest.c
@@ -2486,3 +2486,16 @@ void const_warn_test(void)
 {
     const_func(1);
 }
+
+struct condstruct {
+  int i;
+};
+
+int getme (struct condstruct *s, int i)
+{
+  int i1 = (i == 0 ? 0 : s)->i;
+  int i2 = (i == 0 ? s : 0)->i;
+  int i3 = (i == 0 ? (void*)0 : s)->i;
+  int i4 = (i == 0 ? s : (void*)0)->i;
+  return i1 + i2 + i3 + i4;
+}