1 files changed, 3 insertions, 0 deletions
diff --git a/libgo/go/syscall/signame.c b/libgo/go/syscall/signame.c
index dca92a9..e2e77cb 100644
--- a/libgo/go/syscall/signame.c
+++ b/libgo/go/syscall/signame.c
@@ -33,6 +33,9 @@ Signame (intgo sig)
   len = __builtin_strlen (s);
   data = runtime_mallocgc (len, nil, false);
   __builtin_memcpy (data, s, len);
+  // lowercase first letter: Bad -> bad, but STREAM -> STREAM.
+  if ('A' <= data[0] && data[0] <= 'Z' && 'a' <= data[1] && data[1] <= 'z')
+    data[0] += 'a' - 'A';
   ret.str = data;
   ret.len = len;
   return ret;