[issue20354] tracemalloc causes segfault in "make profile-opt"

[STINNER Victor]

STINNER Victor added the comment:

> This problem first appears with changeset 6e2089dbc5ad [1] that introduced tracemalloc. It is still reproducible on today's tip.

It looks like the bug doesn't come from the code of tracemalloc. I removed all functions, Python does still crash. No. The problem just comes from the line "#pragma pack(4)" of:

#pragma pack(4)
typedef struct
{
    PyObject *filename;
    int lineno;
} frame_t;

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nosy: +neologix, pitrou

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue20354>
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