Fixed a comment and added another one.

diff --git a/Python/compile.c b/Python/compile.c
index 137b46d274337e0f37f9e0149d64c17f1b85cd50..f8083074070bbf8fa2494fe24fdddf17d27110f2 100644 (file)
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -651,7 +651,7 @@ optimize_code(PyObject *code, PyObject* consts, PyObject *names, PyObject *linen
                        "if a and b:"
                        "if a or b:"
                        "a and b or c"
-                       "a and b and c"
+                       "(a and b) and c"
                   x:JUMP_IF_FALSE y   y:JUMP_IF_FALSE z  -->  x:JUMP_IF_FALSE z
                   x:JUMP_IF_FALSE y   y:JUMP_IF_TRUE z  -->  x:JUMP_IF_FALSE y+3
                        where y+3 is the instruction following the second test.
@@ -749,6 +749,9 @@ optimize_code(PyObject *code, PyObject* consts, PyObject *names, PyObject *linen
                while (adj--)
                        codestr[h++] = codestr[i++];
        }
+       /* The following assertion detects the presence of NOPs in the input
+          bytecode.  The compiler never produces NOPs so far; if one day it
+          does, the way 'nops' is counted above must be changed. */
        assert(h + nops == codelen);
 
        code = PyString_FromStringAndSize((char *)codestr, h);