Be safer in sanitize_si_code.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@9691

diff --git a/coregrind/m_signals.c b/coregrind/m_signals.c
index 317ee034f3eccab788efe796f3e8027ec43bf7e9..2a7f7e1c440ad9b2823d5ae5a120858d42faa0f4 100644 (file)
--- a/coregrind/m_signals.c
+++ b/coregrind/m_signals.c
@@ -1661,6 +1661,8 @@ static int sanitize_si_code(int si_code)
    return (Short)si_code;
 #elif defined(VGO_aix5)
    return si_code;
+#else
+#  error Unknown OS
 #endif
 }