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Add alloc and proc_macro to libstd crates #7336

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merged 1 commit into from
Sep 6, 2019
Merged

Add alloc and proc_macro to libstd crates #7336

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2 changes: 2 additions & 0 deletions src/cargo/core/compiler/standard_lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,8 @@ pub fn parse_unstable_flag(value: Option<&str>) -> Vec<String> {
let mut crates: HashSet<&str> = value.split(',').collect();
if crates.contains("std") {
crates.insert("core");
crates.insert("alloc");
crates.insert("proc_macro");
crates.insert("panic_unwind");
crates.insert("compiler_builtins");
} else if crates.contains("core") {
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10 changes: 9 additions & 1 deletion tests/testsuite/standard_lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -237,7 +237,15 @@ fn doc() {

fn check_std() {
let p = project()
.file("src/lib.rs", "pub fn f() {}")
.file(
"src/lib.rs",
"
extern crate core;
extern crate alloc;
extern crate proc_macro;
pub fn f() {}
",
)
.file("src/main.rs", "fn main() {}")
.file(
"tests/t1.rs",
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