Phasar does not support exit() as exit points when calling getAllExitPoints() #728

#include <stdlib.h>
#include <stdio.h>

int main(){
    int a = 0;
    a ++;
    printf("exit\n");

    exit(0);
}

; ModuleID = 'main-exit.c'
source_filename = "main-exit.c"
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

@.str = private unnamed_addr constant [6 x i8] c"exit\0A\00", align 1

; Function Attrs: noinline nounwind optnone uwtable
define dso_local i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  store i32 0, i32* %1, align 4
  store i32 0, i32* %2, align 4
  %3 = load i32, i32* %2, align 4
  %4 = add nsw i32 %3, 1
  store i32 %4, i32* %2, align 4
  %5 = call i32 (i8*, ...) @printf(i8* noundef getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0))
  call void @exit(i32 noundef 0) #3
  unreachable
}

declare dso_local i32 @printf(i8* noundef, ...) #1

; Function Attrs: noreturn nounwind
declare dso_local void @exit(i32 noundef) #2

attributes #0 = { noinline nounwind optnone uwtable "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { noreturn nounwind "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { noreturn nounwind }

!llvm.module.flags = !{!0, !1, !2}
!llvm.ident = !{!3}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 7, !"uwtable", i32 1}
!2 = !{i32 7, !"frame-pointer", i32 2}
!3 = !{!"clang version 14.0.6"}

std::vector EntryPoints = {"main"s};

  HelperAnalyses HA(Argv[1], EntryPoints);
  if (!HA.getProjectIRDB().isValid()) {
    return 1;
  }

  if (const auto *F = HA.getProjectIRDB().getFunctionDefinition("main")) {
    llvm::outs()  << F->getName().str();
    for(auto inst : getAllExitPoints(F)){
      llvm::outs()  << inst->getName().str();
    }
  }