lib: Define i_unreached() to __builtin_unreachable() with STATIC_CHECKER

This helps clang's alpha.deadcode.UnreachableCode checker.

diff --git a/src/lib/macros.h b/src/lib/macros.h
index 2bb96300db4e3ecf98d33335320993f9ba0eee92..05879079c7590de38f5df1867b2826ccfd7ca67a 100644 (file)
--- a/src/lib/macros.h
+++ b/src/lib/macros.h
@@ -221,8 +221,12 @@
        } \
        } STMT_END
 
-#define i_unreached() \
+#ifndef STATIC_CHECKER
+#  define i_unreached() \
        i_panic("file %s: line %d: unreached", __FILE__, __LINE__)
+#else
+#  define i_unreached() __builtin_unreachable()
+#endif
 
 /* Convenience macros to test the versions of dovecot. */
 #if defined DOVECOT_VERSION_MAJOR && defined DOVECOT_VERSION_MINOR