rollup/test/form/duplicated-var-declarations/main.js

var a = 1, b = 2;

assert.equal( a, 1 );
assert.equal( b, 2 );

var a = 3, b = 4, c = 5;

assert.equal( a, 3 );
assert.equal( b, 4 );
assert.equal( c, 5 );