cmakelists: fixed tests to avoid clang warnings (neovim#10705)

* clang/"dead assignment" * clang/"Uninitialized argument value"
hoppingl · Aug 7, 2019 · 935ae63 · 935ae63
1 parent 4f148ed
commit 935ae63
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -250,15 +250,15 @@ check_c_source_compiles("
 int main(void)
 {
   void *trace[1];
-  int trace_size = backtrace(trace, 1);
+  backtrace(trace, 1);
   return 0;
 }
 " HAVE_EXECINFO_BACKTRACE)
 
 check_c_source_compiles("
 int main(void)
 {
-  int a;
+  int a = 42;
   __builtin_add_overflow(a, a, &a);
   __builtin_sub_overflow(a, a, &a);
   return 0;