[New-bugs-announce] [issue37869] Compilation warning on GCC version 7.4.0-1ubuntu1~18.04.1

[Hansraj Das]

New submission from Hansraj Das <raj.das.136 at gmail.com>:

I am facing below compilation warning on compilation python source:

***********************************************************************
gcc -pthread -c -Wno-unused-result -Wsign-compare -g -Og -Wall    -std=c99 -Wextra -Wno-unused-result -Wno-unused-parameter -Wno-missing-field-initial
izers -Werror=implicit-function-declaration  -I./Include/internal  -I. -I./Include    -DPy_BUILD_CORE -o Objects/obmalloc.o Objects/obmalloc.c        
Objects/obmalloc.c: In function __PyObject_Malloc_:                                                                                                   
Objects/obmalloc.c:1646:16: warning: _ptr_ may be used uninitialized in this function [-Wmaybe-uninitialized]                                         
         return ptr;                                                                                                                                  
                ^~~
***********************************************************************       

This is another thread having suggestions from Victor: https://github.com/python/cpython/pull/15293

----------
components: Build
files: warning-2019-08-15 01-15-06.png
messages: 349824
nosy: hansrajdas, vstinner
priority: normal
pull_requests: 15029
severity: normal
status: open
title: Compilation warning on GCC version 7.4.0-1ubuntu1~18.04.1
type: behavior
versions: Python 3.9
Added file: https://bugs.python.org/file48546/warning-2019-08-15 01-15-06.png

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<https://bugs.python.org/issue37869>
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