Prevent cppcoreguidelines-pro-bounds-array-to-pointer-decay from diagnosing array to pointer decay stemming from system macros.

Patch by Breno Rodrigues Guimaraes.

llvm-svn: 298421

1 files changed, 6 insertions, 0 deletions

diff --git a/clang-tools-extra/test/clang-tidy/cppcoreguidelines-pro-bounds-array-to-pointer-decay.cpp b/clang-tools-extra/test/clang-tidy/cppcoreguidelines-pro-bounds-array-to-pointer-decay.cpp
index ce192805dda..22d98bcd121 100644
--- a/clang-tools-extra/test/clang-tidy/cppcoreguidelines-pro-bounds-array-to-pointer-decay.cpp
+++ b/clang-tools-extra/test/clang-tidy/cppcoreguidelines-pro-bounds-array-to-pointer-decay.cpp
@@ -1,4 +1,5 @@
 // RUN: %check_clang_tidy %s cppcoreguidelines-pro-bounds-array-to-pointer-decay %t
+#include <assert.h>
 #include <stddef.h>
 
 namespace gsl {
@@ -34,6 +35,11 @@ void f() {
 
   for (auto &e : a) // OK, iteration internally decays array to pointer
     e = 1;
+
+  assert(false); // OK, array decay inside system header macro
+
+  assert(a);
+  // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: do not implicitly decay an array into a pointer; consider using gsl::array_view or an explicit cast instead [cppcoreguidelines-pro-bounds-array-to-pointer-decay]
 }
 
 const char *g() {