vendor/clang/clang-trunk-r154661

1 files changed, 35 insertions, 0 deletions

diff --git a/test/Analysis/bool-assignment2.c b/test/Analysis/bool-assignment2.c
new file mode 100644
index 000000000000..9de26cf34958
--- /dev/null
+++ b/test/Analysis/bool-assignment2.c
@@ -0,0 +1,35 @@
+// RUN: %clang_cc1 -std=c99 -analyze -analyzer-checker=core,experimental.core.BoolAssignment -analyzer-store=region -verify %s
+
+// Test stdbool.h's _Bool
+
+// Prior to C99, stdbool.h uses this typedef, but even in ANSI C mode, _Bool
+// appears to be defined.
+
+// #if __STDC_VERSION__ < 199901L
+// typedef int _Bool;
+// #endif
+
+void test_stdbool_initialization(int y) {
+  if (y < 0) {
+    _Bool x = y; // expected-warning {{Assignment of a non-Boolean value}}
+    return;
+  }
+  if (y > 1) {
+    _Bool x = y; // expected-warning {{Assignment of a non-Boolean value}}
+    return;
+  }
+  _Bool x = y; // no-warning
+}
+
+void test_stdbool_assignment(int y) {
+  _Bool x = 0; // no-warning
+  if (y < 0) {
+    x = y; // expected-warning {{Assignment of a non-Boolean value}}
+    return;
+  }
+  if (y > 1) {
+    x = y; // expected-warning {{Assignment of a non-Boolean value}}
+    return;
+  }
+  x = y; // no-warning
+}