[PR79793] Fixes interrupt stack alignment

[Koval, Julia]

Hi,
This patch fixes PR79731. Ok for trunk?

gcc/
        * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): Fix 
boundary for interrupt
gcc/testsuite/
        * gcc.target/i386/interrupt-12.c: Fix test.
        * gcc.target/i386/interrupt-13.c: Ditto. 
        * gcc.target/i386/interrupt-14.c: Ditto. 
        * gcc.target/i386/interrupt-15.c: Ditto.

Julia

patch_interrupt_3.3
Description: patch_interrupt_3.3