add a -Zchalk command-line option

nikomatsakis · nikomatsakis · commit 3aa1085cfc3b · 2018-04-23T13:28:13.000-04:00
diff --git a/src/librustc/session/config.rs b/src/librustc/session/config.rs
@@ -1289,6 +1289,8 @@ options! {DebuggingOptions, DebuggingSetter, basic_debugging_options,
         "tell the linker to strip debuginfo when building without debuginfo enabled."),
     share_generics: Option<bool> = (None, parse_opt_bool, [TRACKED],
           "make the current crate share its generic instantiations"),
+    chalk: bool = (false, parse_bool, [TRACKED],
+          "enable the experimental Chalk-based trait solving engine"),
 }
 
 pub fn default_lib_output() -> CrateType {

Original file line number	Diff line number	Diff line change
`@@ -1289,6 +1289,8 @@ options! {DebuggingOptions, DebuggingSetter, basic_debugging_options,`
`1289`	`1289`	`"tell the linker to strip debuginfo when building without debuginfo enabled."),`
`1290`	`1290`	`share_generics: Option<bool> = (None, parse_opt_bool, [TRACKED],`
`1291`	`1291`	`"make the current crate share its generic instantiations"),`
	`1292`	`+ chalk: bool = (false, parse_bool, [TRACKED],`
	`1293`	`+ "enable the experimental Chalk-based trait solving engine"),`
`1292`	`1294`	`}`
`1293`	`1295`
`1294`	`1296`	`pub fn default_lib_output() -> CrateType {`