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| author | Irit Katriel <1055913+iritkatriel@users.noreply.github.com> | 2022-06-20 16:13:39 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-06-20 16:13:39 (GMT) |
| commit | 1603a1029f44f0fdc87c65b02063229962194f84 (patch) | |
| tree | 151e7d71bead44cec4375b283ff03e5e92390bf6 /Objects | |
| parent | cfb986a1a239f1a00af745a53235b8473b1bd54a (diff) | |
| download | cpython-1603a1029f44f0fdc87c65b02063229962194f84.zip cpython-1603a1029f44f0fdc87c65b02063229962194f84.tar.gz cpython-1603a1029f44f0fdc87c65b02063229962194f84.tar.bz2 | |
GH-93249: relax overly strict assertion on bounds->ar_start (GH-93961)
Diffstat (limited to 'Objects')
| -rw-r--r-- | Objects/codeobject.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/Objects/codeobject.c b/Objects/codeobject.c index c1f696d..707de11 100644 --- a/Objects/codeobject.c +++ b/Objects/codeobject.c @@ -826,6 +826,11 @@ next_code_delta(PyCodeAddressRange *bounds) static int previous_code_delta(PyCodeAddressRange *bounds) { + if (bounds->ar_start == 0) { + // If we looking at the first entry, the + // "previous" entry has an implicit length of 1. + return 1; + } const uint8_t *ptr = bounds->opaque.lo_next-1; while (((*ptr) & 128) == 0) { ptr--; @@ -869,7 +874,7 @@ static void retreat(PyCodeAddressRange *bounds) { ASSERT_VALID_BOUNDS(bounds); - assert(bounds->ar_start > 0); + assert(bounds->ar_start >= 0); do { bounds->opaque.lo_next--; } while (((*bounds->opaque.lo_next) & 128) == 0); |