Ignore pure attribute in assignement

The pure attribute only take effect in function node.
There is no way to make a value itself pure.

Reported-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Christopher Li <sparse@chrisli.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/evaluate.c b/evaluate.c
index 035e4487..e350c0c0 100644
--- a/evaluate.c
+++ b/evaluate.c
@@ -623,7 +623,7 @@ static struct symbol *evaluate_ptr_add(struct expression *expr, struct symbol *i
 
 static void examine_fn_arguments(struct symbol *fn);
 
-#define MOD_IGN (MOD_VOLATILE | MOD_CONST)
+#define MOD_IGN (MOD_VOLATILE | MOD_CONST | MOD_PURE)
 
 const char *type_difference(struct ctype *c1, struct ctype *c2,
 	unsigned long mod1, unsigned long mod2)