Add debug asserts in thread local cell set methods.

m-ou-se · m-ou-se · commit 36c904594ee0 · 2022-03-05T11:39:03.000+01:00
diff --git a/library/std/src/thread/local.rs b/library/std/src/thread/local.rs
@@ -268,6 +268,8 @@ macro_rules! __thread_local_inner {
                         if let $crate::option::Option::Some(init) = _init {
                             if let $crate::option::Option::Some(value) = init.take() {
                                 return value;
+                            } else if $crate::cfg!(debug_assertions) {
+                                unreachable!("missing initial value");
                             }
                         }
                         __init()
@@ -341,6 +343,8 @@ macro_rules! __thread_local_inner {
                         if let $crate::option::Option::Some(init) = init {
                             if let $crate::option::Option::Some(value) = init.take() {
                                 return value;
+                            } else if $crate::cfg!(debug_assertions) {
+                                unreachable!("missing default value");
                             }
                         }
                         __init()

Original file line number	Diff line number	Diff line change
`@@ -268,6 +268,8 @@ macro_rules! __thread_local_inner {`
`268`	`268`	`if let $crate::option::Option::Some(init) = _init {`
`269`	`269`	`if let $crate::option::Option::Some(value) = init.take() {`
`270`	`270`	`return value;`
	`271`	`+ } else if $crate::cfg!(debug_assertions) {`
	`272`	`+ unreachable!("missing initial value");`
`271`	`273`	`}`
`272`	`274`	`}`
`273`	`275`	`__init()`
`@@ -341,6 +343,8 @@ macro_rules! __thread_local_inner {`
`341`	`343`	`if let $crate::option::Option::Some(init) = init {`
`342`	`344`	`if let $crate::option::Option::Some(value) = init.take() {`
`343`	`345`	`return value;`
	`346`	`+ } else if $crate::cfg!(debug_assertions) {`
	`347`	`+ unreachable!("missing default value");`
`344`	`348`	`}`
`345`	`349`	`}`
`346`	`350`	`__init()`