Merge "Nullability check for assert module" am: 5bfbc5330f

Original change: https://android-review.googlesource.com/c/platform/bionic/+/2478455

Change-Id: I580c132ea644ad14fac589daa8c046c6636a41de
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/libc/include/assert.h b/libc/include/assert.h
index 79e7b86..8db970b 100644
--- a/libc/include/assert.h
+++ b/libc/include/assert.h
@@ -75,12 +75,12 @@
  * __assert() is called by assert() on failure. Most users want assert()
  * instead, but this can be useful for reporting other failures.
  */
-void __assert(const char* __file, int __line, const char* __msg) __noreturn;
+void __assert(const char* _Nonnull __file, int __line, const char* _Nonnull __msg) __noreturn;
 
 /**
  * __assert2() is called by assert() on failure. Most users want assert()
  * instead, but this can be useful for reporting other failures.
  */
-void __assert2(const char* __file, int __line, const char* __function, const char* __msg) __noreturn;
+void __assert2(const char* _Nonnull __file, int __line, const char* _Nonnull __function, const char* _Nonnull __msg) __noreturn;
 
 __END_DECLS