clang/test/Analysis/std-c-library-functions-inlined.c

   1 // RUN: %clang_analyze_cc1 -analyzer-checker=unix.StdCLibraryFunctions -verify %s
   2 // RUN: %clang_analyze_cc1 -triple i686-unknown-linux -analyzer-checker=unix.StdCLibraryFunctions -verify %s
   3 // RUN: %clang_analyze_cc1 -triple x86_64-unknown-linux -analyzer-checker=unix.StdCLibraryFunctions -verify %s
   4 // RUN: %clang_analyze_cc1 -triple armv7-a15-linux -analyzer-checker=unix.StdCLibraryFunctions -verify %s
   5 // RUN: %clang_analyze_cc1 -triple thumbv7-a15-linux -analyzer-checker=unix.StdCLibraryFunctions -verify %s
   6
   7 // This test tests crashes that occur when standard functions are available
   8 // for inlining.
   9
  10 // expected-no-diagnostics
  11
  12 int isdigit(int _) { return !0; }
  13 void test_redefined_isdigit(int x) {
  14   int (*func)(int) = isdigit;
  15   for (; func(x);) // no-crash
  16     ;
  17 }