xref: /aosp_15_r20/external/clang/test/Index/pch-warn-as-error-code.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315) 
1*67e74705SXin Li // RUN: rm -f %t.head.h.pch
2*67e74705SXin Li // RUN: c-index-test -write-pch %t.head.h.pch %s -Wuninitialized -Werror=unused 2>&1 | FileCheck -check-prefix=HEAD_DIAGS %s
3*67e74705SXin Li // RUN: c-index-test -test-load-source local %s -include %t.head.h -Wuninitialized -Werror=unused 2>&1 | FileCheck -check-prefix=MAIN_DIAGS %s
4*67e74705SXin Li 
5*67e74705SXin Li // Make sure -Wuninitialized works even though the header had a warn-as-error occurrence.
6*67e74705SXin Li 
7*67e74705SXin Li // HEAD_DIAGS: error: unused variable 'x'
8*67e74705SXin Li // MAIN_DIAGS: warning: variable 'x1' is uninitialized
9*67e74705SXin Li // MAIN_DIAGS-NOT: error: use of undeclared identifier
10*67e74705SXin Li 
11*67e74705SXin Li #ifndef HEADER
12*67e74705SXin Li #define HEADER
13*67e74705SXin Li 
foo_head()14*67e74705SXin Li static void foo_head() {
15*67e74705SXin Li   int x;
16*67e74705SXin Li }
17*67e74705SXin Li 
18*67e74705SXin Li #else
19*67e74705SXin Li 
test()20*67e74705SXin Li void test() {
21*67e74705SXin Li   int x1; // expected-note {{initialize}}
22*67e74705SXin Li   int x2 = x1; // expected-warning {{uninitialized}}
23*67e74705SXin Li   (void)x2;
24*67e74705SXin Li   foo_head();
25*67e74705SXin Li }
26*67e74705SXin Li 
27*67e74705SXin Li #endif
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