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-rw-r--r--Python/formatter_unicode.c2
-rw-r--r--Python/peephole.c6
-rw-r--r--Python/pytime.c8
3 files changed, 10 insertions, 6 deletions
diff --git a/Python/formatter_unicode.c b/Python/formatter_unicode.c
index 55ed59d368..841b25a43f 100644
--- a/Python/formatter_unicode.c
+++ b/Python/formatter_unicode.c
@@ -574,7 +574,7 @@ calc_number_widths(NumberFieldWidths *spec, Py_ssize_t n_prefix,
spec->n_lpadding = n_padding;
break;
default:
- /* Shouldn't get here, but treat it as '>' */
+ /* Shouldn't get here */
Py_UNREACHABLE();
}
}
diff --git a/Python/peephole.c b/Python/peephole.c
index baa217ad02..84de1abc17 100644
--- a/Python/peephole.c
+++ b/Python/peephole.c
@@ -511,8 +511,12 @@ PyCode_Optimize(PyObject *code, PyObject* consts, PyObject *names,
if (instrsize(j) > ilen) {
goto exitUnchanged;
}
- assert(ilen <= INT_MAX);
/* If instrsize(j) < ilen, we'll emit EXTENDED_ARG 0 */
+ if (ilen > 4) {
+ /* Can only happen when PyCode_Optimize() is called with
+ malformed bytecode. */
+ goto exitUnchanged;
+ }
write_op_arg(codestr + h, opcode, j, (int)ilen);
h += ilen;
}
diff --git a/Python/pytime.c b/Python/pytime.c
index 9b2b74af5c..6affccbeff 100644
--- a/Python/pytime.c
+++ b/Python/pytime.c
@@ -746,7 +746,7 @@ _PyTime_GetSystemClock(void)
_PyTime_t t;
if (pygettimeofday(&t, NULL, 0) < 0) {
/* should not happen, _PyTime_Init() checked the clock at startup */
- Py_UNREACHABLE();
+ Py_FatalError("pygettimeofday() failed");
}
return t;
}
@@ -776,7 +776,7 @@ pymonotonic(_PyTime_t *tp, _Py_clock_info_t *info, int raise)
return -1;
}
/* Hello, time traveler! */
- Py_UNREACHABLE();
+ Py_FatalError("pymonotonic: integer overflow");
}
*tp = t * MS_TO_NS;
@@ -918,7 +918,7 @@ _PyTime_GetMonotonicClock(void)
if (pymonotonic(&t, NULL, 0) < 0) {
/* should not happen, _PyTime_Init() checked that monotonic clock at
startup */
- Py_UNREACHABLE();
+ Py_FatalError("pymonotonic() failed");
}
return t;
}
@@ -1019,7 +1019,7 @@ _PyTime_GetPerfCounter(void)
{
_PyTime_t t;
if (_PyTime_GetPerfCounterWithInfo(&t, NULL)) {
- Py_UNREACHABLE();
+ Py_FatalError("_PyTime_GetPerfCounterWithInfo() failed");
}
return t;
}