diff options
Diffstat (limited to 'Python/compile.c')
| -rw-r--r-- | Python/compile.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/Python/compile.c b/Python/compile.c index 568bdfe379..e86b293543 100644 --- a/Python/compile.c +++ b/Python/compile.c @@ -1163,10 +1163,14 @@ compiler_addop_i(struct compiler *c, int opcode, Py_ssize_t oparg) struct instr *i; int off; - /* Integer arguments are limit to 16-bit. There is an extension for 32-bit - integer arguments. */ - assert((-2147483647-1) <= oparg); - assert(oparg <= 2147483647); + /* oparg value is unsigned, but a signed C int is usually used to store + it in the C code (like Python/ceval.c). + + Limit to 32-bit signed C int (rather than INT_MAX) for portability. + + The argument of a concrete bytecode instruction is limited to 16-bit. + EXTENDED_ARG is used for 32-bit arguments. */ + assert(0 <= oparg && oparg <= 2147483647); off = compiler_next_instr(c, c->u->u_curblock); if (off < 0) |