clang/gcov: supports compatibility with gcc standard gcov output

Signed-off-by: wangmingrong1 <[email protected]>

libs/libbuiltin/compiler-rt/coverage.c

@@ -353,3 +353,13 @@ size_t __llvm_profile_dump(const char *path)
 
 #endif
 }
+
+void __gcov_dump(void)
+{
+  char *path = getenv("GCOV_PREFIX");
+  __llvm_profile_dump(path);
+}
+
+void __gcov_reset(void)
+{
+}