1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/analyzer/named-constants-Wunused-macros.c b/gcc/testsuite/gcc.dg/analyzer/named-constants-Wunused-macros.c
new file mode 100644
index 0000000..0b31cc4
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/analyzer/named-constants-Wunused-macros.c
@@ -0,0 +1,19 @@
+/* Regression test for interaction of named constants in -fanalyzer with
+   -Wunused-macros (PR analyzer/107711).  */
+
+/* { dg-additional-options "-Wunused-macros" } */
+
+#include "analyzer-decls.h"
+
+/* Various constants used by the fd state machine.  */
+
+#define O_ACCMODE 42   /* { dg-warning "-: macro \"O_ACCMODE\" is not used" } */
+#define O_RDONLY  0x1  /* { dg-warning "-: macro \"O_RDONLY\" is not used" } */
+#define O_WRONLY  010  /* { dg-warning "-: macro \"O_WRONLY\" is not used" } */
+
+void test_sm_fd_constants (void)
+{
+  __analyzer_dump_named_constant ("O_ACCMODE"); /* { dg-warning "named constant 'O_ACCMODE' has value '42'" } */
+  __analyzer_dump_named_constant ("O_RDONLY"); /* { dg-warning "named constant 'O_RDONLY' has value '1'" } */
+  __analyzer_dump_named_constant ("O_WRONLY"); /* { dg-warning "named constant 'O_WRONLY' has value '8'" } */
+}