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Issue #27286: Fixed compiling BUILD_MAP_UNPACK_WITH_CALL opcode. Calling

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function with generalized unpacking (PEP 448) and conflicting keyword names
could cause undefined behavior.
This commit is contained in:
Serhiy Storchaka 2016-06-12 09:35:13 +03:00
commit cf2ad55511
7 changed files with 119 additions and 105 deletions
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2
Python/compile.c
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@ -3487,7 +3487,7 @@ compiler_call_helper(struct compiler *c,
code |= 2;
if (nsubkwargs > 1) {
/* Pack it all up */
int function_pos = n + (code & 1) + nkw + 1;
int function_pos = n + (code & 1) + 2 * nkw + 1;
ADDOP_I(c, BUILD_MAP_UNPACK_WITH_CALL, nsubkwargs | (function_pos << 8));
}
}