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-rw-r--r--clang/test/Sema/pointer-addition.c14
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diff --git a/clang/test/Sema/pointer-addition.c b/clang/test/Sema/pointer-addition.c
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+// RUN: clang %s -fsyntax-only -verify -pedantic
+
+typedef struct S S;
+void a(S* b, void* c) {
+ 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}}
+ 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-error {{pointer to incomplete type}}
+ d++; // expected-error {{pointer to incomplete type}}
+}
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