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Panicking infra uses &core::panic::Location.

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This allows us to remove `static_panic_msg` from the SSA<->LLVM
boundary, along with its fat pointer representation for &str.

Also changes the signature of PanicInfo::internal_contructor to
avoid copying.

Closes #65856.
This commit is contained in:
Adam Perry 2019-10-23 19:30:21 -07:00
parent 743964ad3f
commit aec97e050e
10 changed files with 130 additions and 127 deletions
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5
src/test/ui/extern/issue-64655-allow-unwind-when-calling-panic-directly.rs vendored
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@ -22,7 +22,7 @@
//[thin]compile-flags: -C lto=thin
//[fat]compile-flags: -C lto=fat
#![feature(core_panic)]
#![feature(core_panic, panic_internals)]
// (For some reason, reproducing the LTO issue requires pulling in std
// explicitly this way.)
@ -51,7 +51,8 @@ fn main() {
let _guard = Droppable;
let s = "issue-64655-allow-unwind-when-calling-panic-directly.rs";
core::panicking::panic(&("???", s, 17, 4));
let location = core::panic::Location::internal_constructor(s, 17, 4);
core::panicking::panic("???", &location);
});
let wait = handle.join();