xref: /aosp_15_r20/external/clang/test/Modules/linkage-merge.m (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li// RUN: rm -rf %t
2*67e74705SXin Li// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -x objective-c -fmodules-cache-path=%t -emit-module -fmodule-name=linkage_merge_left %S/Inputs/module.map
3*67e74705SXin Li// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -I %S/Inputs -w %s -verify
4*67e74705SXin Li
5*67e74705SXin Li// Test redeclarations of functions where the original declaration is
6*67e74705SXin Li// still hidden.
7*67e74705SXin Li
8*67e74705SXin Li@import linkage_merge_left; // excludes "sub"
9*67e74705SXin Li
10*67e74705SXin Liextern int f0(float);
11*67e74705SXin Li// expected-error@-1{{conflicting types for 'f0'}}
12*67e74705SXin Li// expected-note@Inputs/linkage-merge-sub.h:1{{previous declaration}}
13*67e74705SXin Li
14*67e74705SXin Listatic int f1(float); // okay: considered distinct
15*67e74705SXin Listatic int f2(float); // okay: considered distinct
16*67e74705SXin Liextern int f3(float); // okay: considered distinct
17*67e74705SXin Li
18*67e74705SXin Liextern float v0;
19*67e74705SXin Li// expected-error@-1{{redeclaration of 'v0' with a different type: 'float' vs 'int'}}
20*67e74705SXin Li// expected-note@Inputs/linkage-merge-sub.h:6{{previous declaration is here}}
21*67e74705SXin Li
22*67e74705SXin Listatic float v1;
23*67e74705SXin Listatic float v2;
24*67e74705SXin Liextern float v3;
25*67e74705SXin Li
26*67e74705SXin Litypedef float T0;
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