xref: /llvm-project/clang/test/Analysis/globals.c (revision ffcf214b5d27453119575d4e075cac483d659024)
1 // RUN: %clang_analyze_cc1 -analyzer-checker=core,debug.ExprInspection -verify %s
2 
3 typedef typeof(sizeof(int)) size_t;
4 size_t clang_analyzer_getExtent(const void *p);
5 void clang_analyzer_dump(size_t n);
6 
7 extern const unsigned char extern_redecl[];
8 const unsigned char extern_redecl[] = { 1,2,3,4 };
9 const unsigned char tentative_redecl[];
10 const unsigned char tentative_redecl[] = { 1,2,3,4 };
11 
12 const unsigned char direct_decl[] = { 1,2,3,4 };
13 
test_redeclaration_extent(void)14 void test_redeclaration_extent(void) {
15   clang_analyzer_dump(clang_analyzer_getExtent(direct_decl));      // expected-warning {{4 S64b}}
16   clang_analyzer_dump(clang_analyzer_getExtent(extern_redecl));    // expected-warning {{4 S64b}}
17   clang_analyzer_dump(clang_analyzer_getExtent(tentative_redecl)); // expected-warning {{4 S64b}}
18 }
19