[New-bugs-announce] [issue18398] Debug Python build fails on OS X with current clang: Fatal Python error: bad ID: Allocated using API 'm', verified using API 'r'

[Ned Deily]

New submission from Ned Deily:

...
/usr/bin/clang   -Wl,-stack_size,1000000  -framework CoreFoundation -o python Modules/python.o libpython3.4dm.a -ldl  -framework CoreFoundation
./python -E -S -m sysconfig --generate-posix-vars
Debug memory block at address p=0x7f9fba414160: API 'm'
    948 bytes originally requested
    The 7 pad bytes at p-7 are FORBIDDENBYTE, as expected.
    The 8 pad bytes at tail=0x7f9fba414514 are FORBIDDENBYTE, as expected.
    The block was made by call #5440 to debug malloc/realloc.
    Data at p: 2f 00 00 00 55 00 00 00 ... 73 00 00 00 00 00 00 00
Fatal Python error: bad ID: Allocated using API 'm', verified using API 'r'

Current thread 0x00007fff74872180:
make: *** [pybuilddir.txt] Abort trap: 6

----------
components: Build
messages: 192587
nosy: haypo, ned.deily
priority: critical
severity: normal
status: open
title: Debug Python build fails on OS X with current clang:  Fatal Python error: bad ID: Allocated using API 'm', verified using API 'r'
versions: Python 3.4

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue18398>
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