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bpo-36734: Fix compilation of faulthandler.c on HP-UX (GH-12970) · python/cpython@b84cb70

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@@ -0,0 +1,2 @@

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Fix compilation of ``faulthandler.c`` on HP-UX. Initialize ``stack_t

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current_stack`` to zero using ``memset()``.

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@@ -1370,7 +1370,8 @@ void _PyFaulthandler_Fini(void)

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#ifdef HAVE_SIGALTSTACK

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if (stack.ss_sp != NULL) {

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/* Fetch the current alt stack */

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stack_t current_stack = {};

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stack_t current_stack;

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memset(&current_stack, 0, sizeof(current_stack));

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if (sigaltstack(NULL, &current_stack) == 0) {

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if (current_stack.ss_sp == stack.ss_sp) {

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/* The current alt stack is the one that we installed.