inore some codegen tests when debug assertions are enabled

src/test/codegen/vec-clear.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-debug: the debug assertions get in the way
 // compile-flags: -O
 
 #![crate_type = "lib"]

src/test/codegen/vec-iter-collect-len.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// ignore-debug: the debug assertions get in the way
 // no-system-llvm
 // compile-flags: -O
 #![crate_type="lib"]

src/test/codegen/vec-optimizes-away.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 //
+// ignore-debug: the debug assertions get in the way
 // no-system-llvm
 // compile-flags: -O
 #![crate_type="lib"]