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+// In module: expected-note{{previous declaration}}
+
+
+
+
+// In module: expected-note{{previous definition is here}}
+
+// Test redeclarations of functions where the original declaration is
+// still hidden.
+
+@import linkage_merge_left; // excludes "sub"
+
+extern int f0(float); // expected-error{{conflicting types for 'f0'}}
+static int f1(float); // okay: considered distinct
+static int f2(float); // okay: considered distinct
+extern int f3(float); // okay: considered distinct
+
+extern float v0; // expected-error{{redefinition of 'v0' with a different type: 'float' vs 'int'}}
+static float v1;
+static float v2;
+extern float v3;
+
+typedef float T0;
+
+// RUN: rm -rf %t
+// RUN: %clang_cc1 -fmodules -x objective-c -fmodules-cache-path=%t -emit-module -fmodule-name=linkage_merge_left %S/Inputs/module.map
+// RUN: %clang_cc1 -fmodules -fmodules-cache-path=%t -w %s -verify
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