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[1/4] add a testcase for assignment to const <type> (*)[]

Message ID 20200710001322.18391-2-luc.vanoostenryck@gmail.com (mailing list archive)
State Mainlined, archived
Headers show
Series fix evaluation of assignment and qualified arrays | expand

Commit Message

Luc Van Oostenryck July 10, 2020, 12:13 a.m. UTC 
You can assign a '<type>[]' to a 'const <type> *'. Likewise,
you can assign a '<type>[][N]' to a 'const <type> (*)[N]' but
sparse doesn't like this.

Analyzed-by: Ard Biesheuvel <ardb@kernel.org>
Reported-by: Herbert Xu <herbert@gondor.apana.org.au>
Link: https://lore.kernel.org/linux-crypto/20200709120937.GA13332@gondor.apana.org.au/
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
---
 validation/eval/array-quals0.c | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 validation/eval/array-quals0.c
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Patch

diff --git a/validation/eval/array-quals0.c b/validation/eval/array-quals0.c
new file mode 100644
index 000000000000..9cb08c1722d7
--- /dev/null
+++ b/validation/eval/array-quals0.c
@@ -0,0 +1,7 @@ 
+static int a[2][3];
+static const int (*p)[3] = a;
+
+/*
+ * check-name: array-quals0
+ * check-known-to-fail
+ */