rewrite issue64319 and rename

This commit is contained in:
Oneirical 2024-05-17 11:49:20 -04:00
parent ddba1dc97e
commit 14a031fdf6
5 changed files with 51 additions and 40 deletions

View file

@ -64,6 +64,12 @@ impl Rustc {
self
}
/// Specify a specific optimization level.
pub fn opt_level(&mut self, option: &str) -> &mut Self {
self.cmd.arg(format!("-Copt-level={option}"));
self
}
/// Specify type(s) of output files to generate.
pub fn emit(&mut self, kinds: &str) -> &mut Self {
self.cmd.arg(format!("--emit={kinds}"));

View file

@ -1,40 +0,0 @@
# ignore-cross-compile
include ../tools.mk
# Different optimization levels imply different values for `-Zshare-generics`,
# so try out a whole bunch of combinations to make sure everything is compatible
all:
# First up, try some defaults
$(RUSTC) --crate-type rlib foo.rs
$(RUSTC) --crate-type dylib bar.rs -C opt-level=3
# Next try mixing up some things explicitly
$(RUSTC) --crate-type rlib foo.rs -Z share-generics=no
$(RUSTC) --crate-type dylib bar.rs -Z share-generics=no
$(RUSTC) --crate-type rlib foo.rs -Z share-generics=no
$(RUSTC) --crate-type dylib bar.rs -Z share-generics=yes
$(RUSTC) --crate-type rlib foo.rs -Z share-generics=yes
$(RUSTC) --crate-type dylib bar.rs -Z share-generics=no
$(RUSTC) --crate-type rlib foo.rs -Z share-generics=yes
$(RUSTC) --crate-type dylib bar.rs -Z share-generics=yes
# Now combine a whole bunch of options together
$(RUSTC) --crate-type rlib foo.rs
$(RUSTC) --crate-type dylib bar.rs
$(RUSTC) --crate-type dylib bar.rs -Z share-generics=no
$(RUSTC) --crate-type dylib bar.rs -Z share-generics=yes
$(RUSTC) --crate-type dylib bar.rs -C opt-level=1
$(RUSTC) --crate-type dylib bar.rs -C opt-level=1 -Z share-generics=no
$(RUSTC) --crate-type dylib bar.rs -C opt-level=1 -Z share-generics=yes
$(RUSTC) --crate-type dylib bar.rs -C opt-level=2
$(RUSTC) --crate-type dylib bar.rs -C opt-level=2 -Z share-generics=no
$(RUSTC) --crate-type dylib bar.rs -C opt-level=2 -Z share-generics=yes
$(RUSTC) --crate-type dylib bar.rs -C opt-level=3
$(RUSTC) --crate-type dylib bar.rs -C opt-level=3 -Z share-generics=no
$(RUSTC) --crate-type dylib bar.rs -C opt-level=3 -Z share-generics=yes
$(RUSTC) --crate-type dylib bar.rs -C opt-level=s
$(RUSTC) --crate-type dylib bar.rs -C opt-level=s -Z share-generics=no
$(RUSTC) --crate-type dylib bar.rs -C opt-level=s -Z share-generics=yes
$(RUSTC) --crate-type dylib bar.rs -C opt-level=z
$(RUSTC) --crate-type dylib bar.rs -C opt-level=z -Z share-generics=no
$(RUSTC) --crate-type dylib bar.rs -C opt-level=z -Z share-generics=yes

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@ -0,0 +1,45 @@
// When crates had different optimization levels, a bug caused
// incorrect symbol name generations. -Z share-generics could
// also fail to re-export upstream generics on multiple compile
// runs of the same dynamic library.
// This test repeatedly compiles an rlib and a dylib with these flags
// to check if this bug ever returns.
// See https://github.com/rust-lang/rust/pull/68277
// See https://github.com/rust-lang/rust/issues/64319
//@ ignore-cross-compile
use run_make_support::rustc;
fn main() {
rustc().crate_type("rlib").input("foo.rs").run();
rustc().crate_type("dylib").input("bar.rs").opt_level("3").run();
rustc().crate_type("rlib").input("foo.rs").arg("-Zshare-generics=no").run();
rustc().crate_type("dylib").input("bar.rs").arg("-Zshare-generics=no").run();
rustc().crate_type("rlib").input("foo.rs").arg("-Zshare-generics=no").run();
rustc().crate_type("dylib").input("bar.rs").arg("-Zshare-generics=yes").run();
rustc().crate_type("rlib").input("foo.rs").arg("-Zshare-generics=yes").run();
rustc().crate_type("dylib").input("bar.rs").arg("-Zshare-generics=no").run();
rustc().crate_type("rlib").input("foo.rs").arg("-Zshare-generics=yes").run();
rustc().crate_type("dylib").input("bar.rs").arg("-Zshare-generics=yes").run();
rustc().crate_type("rlib").input("foo.rs").run();
rustc().crate_type("dylib").input("bar.rs").run();
rustc().crate_type("dylib").input("bar.rs").arg("-Zshare-generics=no").run();
rustc().crate_type("dylib").input("bar.rs").arg("-Zshare-generics=yes").run();
rustc().crate_type("dylib").input("bar.rs").opt_level("1").run();
rustc().crate_type("dylib").input("bar.rs").opt_level("1").arg("-Zshare-generics=no").run();
rustc().crate_type("dylib").input("bar.rs").opt_level("1").arg("-Zshare-generics=yes").run();
rustc().crate_type("dylib").input("bar.rs").opt_level("2").run();
rustc().crate_type("dylib").input("bar.rs").opt_level("2").arg("-Zshare-generics=no").run();
rustc().crate_type("dylib").input("bar.rs").opt_level("2").arg("-Zshare-generics=yes").run();
rustc().crate_type("dylib").input("bar.rs").opt_level("3").run();
rustc().crate_type("dylib").input("bar.rs").opt_level("3").arg("-Zshare-generics=no").run();
rustc().crate_type("dylib").input("bar.rs").opt_level("3").arg("-Zshare-generics=yes").run();
rustc().crate_type("dylib").input("bar.rs").opt_level("s").run();
rustc().crate_type("dylib").input("bar.rs").opt_level("s").arg("-Zshare-generics=no").run();
rustc().crate_type("dylib").input("bar.rs").opt_level("s").arg("-Zshare-generics=yes").run();
rustc().crate_type("dylib").input("bar.rs").opt_level("z").run();
rustc().crate_type("dylib").input("bar.rs").opt_level("z").arg("-Zshare-generics=no").run();
rustc().crate_type("dylib").input("bar.rs").opt_level("z").arg("-Zshare-generics=yes").run();
}