vendor/clang/clang-r72732

1 files changed, 19 insertions, 0 deletions

diff --git a/test/Sema/pointer-addition.c b/test/Sema/pointer-addition.c
new file mode 100644
index 000000000000..87d5eaf39c99
--- /dev/null
+++ b/test/Sema/pointer-addition.c
@@ -0,0 +1,19 @@
+// RUN: clang-cc %s -fsyntax-only -verify -pedantic
+
+typedef struct S S; // expected-note 3 {{forward declaration of 'struct S'}}
+void a(S* b, void* c) {
+  void (*fp)(int) = 0;
+  b++;       // expected-error {{arithmetic on pointer to incomplete type}}
+  b += 1;    // expected-error {{arithmetic on pointer to incomplete type}}
+  c++;       // expected-warning {{use of GNU void* extension}}
+  c += 1;    // expected-warning {{use of GNU void* extension}}
+  c--;       // expected-warning {{use of GNU void* extension}}
+  c -= 1;    // expected-warning {{use of GNU void* extension}}
+  b = 1+b;   // expected-error {{arithmetic on pointer to incomplete type}}
+  /* The next couple tests are only pedantic warnings in gcc */
+  void (*d)(S*,void*) = a;
+  d += 1;    // expected-warning {{arithmetic on pointer to function type 'void (*)(S *, void *)' is a GNU extension}}
+  d++;       // expected-warning {{arithmetic on pointer to function type 'void (*)(S *, void *)' is a GNU extension}}}
+  d--;       // expected-warning {{arithmetic on pointer to function type 'void (*)(S *, void *)' is a GNU extension}}
+  d -= 1;    // expected-warning {{arithmetic on pointer to function type 'void (*)(S *, void *)' is a GNU extension}}
+}