disable debug build of 411 to work around compiler bug

source/row_gcc.cc

Index: source/row_gcc.cc
diff --git a/source/row_gcc.cc b/source/row_gcc.cc
index 0c8cf25d265770cb40d69fd83fed21902f7e91db..6b2bc6fa28375c7edb2d33b4d866868864170d1d 100644
--- a/source/row_gcc.cc
+++ b/source/row_gcc.cc
@@ -1796,6 +1796,7 @@ void OMITFP I422AlphaToARGBRow_SSSE3(const uint8* y_buf,
 }
 #endif  // HAS_I422ALPHATOARGBROW_SSSE3
 
+#ifdef HAS_I411TOARGBROW_SSSE3
 void OMITFP I411ToARGBRow_SSSE3(const uint8* y_buf,
                                 const uint8* u_buf,
                                 const uint8* v_buf,
@@ -1825,6 +1826,7 @@ void OMITFP I411ToARGBRow_SSSE3(const uint8* y_buf,
     "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5"
   );
 }
+#endif
 
 void OMITFP NV12ToARGBRow_SSSE3(const uint8* y_buf,
                                 const uint8* uv_buf,