Fix unused-variable warning

llvm-svn: 213786

diff --git a/compiler-rt/lib/ubsan/ubsan_diag.h b/compiler-rt/lib/ubsan/ubsan_diag.h
index 0336951..247ecdd 100644 (file)
--- a/compiler-rt/lib/ubsan/ubsan_diag.h
+++ b/compiler-rt/lib/ubsan/ubsan_diag.h
@@ -208,6 +208,7 @@ void MaybePrintStackTrace(uptr pc, uptr bp);
 
 #define MAYBE_PRINT_STACK_TRACE() do { \
   GET_CALLER_PC_BP_SP; \
+  (void)sp; \
   MaybePrintStackTrace(pc, bp); \
 } while (0)