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drop local assign-only variable in return (#2587)

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This commit is contained in:
Alex Lam S.L
2017-12-14 02:59:59 +08:00
committed by GitHub
parent ef618332ea
commit 9a137e8613
3 changed files with 113 additions and 5 deletions
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10
test/compress/collapse_vars.js
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@@ -591,7 +591,7 @@ collapse_vars_switch: {
collapse_vars_assignment: {
options = {
collapse_vars:true, sequences:true, properties:true, dead_code:true, conditionals:true,
collapse_vars:true, sequences:true, properties:true, conditionals:true,
comparisons:true, evaluate:true, booleans:true, loops:true, unused:true, hoist_funs:true,
keep_fargs:true, if_return:true, join_vars:true, side_effects:true
}
@@ -639,7 +639,7 @@ collapse_vars_assignment: {
return a = a;
}
function f1(c) {
return 1 - 3 / c
return 1 - 3 / c;
}
function f2(c) {
return log(c = 3 / c - 7);
@@ -664,7 +664,7 @@ collapse_vars_assignment: {
collapse_vars_lvalues: {
options = {
collapse_vars:true, sequences:true, properties:true, dead_code:true, conditionals:true,
collapse_vars:true, sequences:true, properties:true, conditionals:true,
comparisons:true, evaluate:true, booleans:true, loops:true, unused:"keep_assign",
hoist_funs:true, keep_fargs:true, if_return:true, join_vars:true,
side_effects:true
@@ -697,7 +697,7 @@ collapse_vars_lvalues: {
collapse_vars_lvalues_drop_assign: {
options = {
collapse_vars:true, sequences:true, properties:true, dead_code:true, conditionals:true,
collapse_vars:true, sequences:true, properties:true, conditionals:true,
comparisons:true, evaluate:true, booleans:true, loops:true, unused:true, hoist_funs:true,
keep_fargs:true, if_return:true, join_vars:true, side_effects:true, passes:3
}
@@ -729,7 +729,7 @@ collapse_vars_lvalues_drop_assign: {
collapse_vars_misc1: {
options = {
collapse_vars:true, sequences:true, properties:true, dead_code:true, conditionals:true,
collapse_vars:true, sequences:true, properties:true, conditionals:true,
comparisons:true, evaluate:true, booleans:true, loops:true, unused:true, hoist_funs:true,
keep_fargs:true, if_return:true, join_vars:true, side_effects:true,
reduce_funcs: true, reduce_vars:true