[Bug]: Incorrect array initialisation with simultaneously changing global variables

[Nadeeshan96]

Description

$title

Steps to Reproduce

import ballerina/io;

int a = 0;

public function main() {
    foo();
}

function foo() {
    int[] arr = [1, a, 3, bar(), a];
    io:println(arr);
}

function bar() returns int {
    a = a + 1;
    return a;
}

gives

[1,1,3,1,1]

But should give

[1,0,3,1,1]

Affected Version(s)

No response

OS, DB, other environment details and versions

No response

Related area

-> Runtime

Related issue(s) (optional)

No response

Suggested label(s) (optional)

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Suggested assignee(s) (optional)

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[Nadeeshan96]

lhsTempVarOptimizer of BIROptimizer removes the temp variables created for global variables.

[github-actions]

This issue is NOT closed with a proper Reason/ label. Make sure to add proper reason label before closing. Please add or leave a comment with the proper reason label now.

      - Reason/EngineeringMistake - The issue occurred due to a mistake made in the past.
      - Reason/Regression - The issue has introduced a regression.
      - Reason/MultipleComponentInteraction - Issue occured due to interactions in multiple components.
      - Reason/Complex - Issue occurred due to complex scenario.
      - Reason/Invalid - Issue is invalid.
      - Reason/Other - None of the above cases.