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diff --git a/test/CodeGenObjC/stand-alone-implementation.m b/test/CodeGenObjC/stand-alone-implementation.m
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+// RUN: %clang_cc1 -fobjc-nonfragile-abi -triple x86_64-apple-darwin10 -emit-llvm -o - %s | FileCheck -check-prefix=CHECK-X86-64 %s
+
+// radar 7547942
+// Allow injection of ivars into implementation's implicit class.
+
+@implementation INTFSTANDALONE // expected-warning {{cannot find interface declaration for 'INTFSTANDALONE'}}
+{
+ id IVAR1;
+ id IVAR2;
+}
+- (id) Meth { return IVAR1; }
+@end
+
+// CHECK-X86-64: @"OBJC_IVAR_$_INTFSTANDALONE.IVAR1"
+// CHECK-X86-64: @"OBJC_IVAR_$_INTFSTANDALONE.IVAR2"
+
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