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authorManish Goregaokar <manishsmail@gmail.com>2018-02-28 15:09:26 -0800
committerManish Goregaokar <manishsmail@gmail.com>2018-02-28 15:09:26 -0800
commit12515608cb6345e3a845288dfa552ed03e3b940d (patch)
treecbcfa7bf061200520a14915668df56b60b6c2006 /src/libstd
parentfac7d7cfb2388b01a27f2165cff78c252726260c (diff)
parent566c6ac6bac479d4977339fc91bb497cb96342c6 (diff)
downloadrust-12515608cb6345e3a845288dfa552ed03e3b940d.tar.gz
rust-12515608cb6345e3a845288dfa552ed03e3b940d.zip
Rollup merge of #48380 - nikomatsakis:issue-48251-master, r=acrichto
Fixes #47311.
r? @nrc
Diffstat (limited to 'src/libstd')
-rw-r--r--src/libstd/panicking.rs6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/libstd/panicking.rs b/src/libstd/panicking.rs
index 161c3fc7113..454ac64735c 100644
--- a/src/libstd/panicking.rs
+++ b/src/libstd/panicking.rs
@@ -55,7 +55,8 @@ extern {
                                 data: *mut u8,
                                 data_ptr: *mut usize,
                                 vtable_ptr: *mut usize) -> u32;
-    #[unwind]
+    #[cfg_attr(stage0, unwind)]
+    #[cfg_attr(not(stage0), unwind(allowed))]
     fn __rust_start_panic(data: usize, vtable: usize) -> u32;
 }
 
@@ -315,7 +316,8 @@ pub fn panicking() -> bool {
 /// Entry point of panic from the libcore crate.
 #[cfg(not(test))]
 #[lang = "panic_fmt"]
-#[unwind]
+#[cfg_attr(stage0, unwind)]
+#[cfg_attr(not(stage0), unwind(allowed))]
 pub extern fn rust_begin_panic(msg: fmt::Arguments,
                                file: &'static str,
                                line: u32,