Update references to -Z symbol-mangling-version to use -C

Replace `-Z symbol-mangling-version=v0` with `-C symbol-mangling-version=v0`. Replace `-Z symbol-mangling-version=legacy` with `-Z unstable-options -C symbol-mangling-version=legacy`.
rust-lang-ci · Jan 1, 2022 · ff94b3b · ff94b3b
1 parent bbf4b66
commit ff94b3b
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diff --git a/compiler/rustc_codegen_gcc/config.sh b/compiler/rustc_codegen_gcc/config.sh
@@ -38,7 +38,7 @@ if [[ "$HOST_TRIPLE" != "$TARGET_TRIPLE" ]]; then
    fi
 fi
 
-export RUSTFLAGS="$linker -Cpanic=abort -Zsymbol-mangling-version=v0 -Cdebuginfo=2 -Clto=off -Zpanic-abort-tests -Zcodegen-backend=$(pwd)/target/${CHANNEL:-debug}/librustc_codegen_gcc.$dylib_ext --sysroot $(pwd)/build_sysroot/sysroot"
+export RUSTFLAGS="$linker -Cpanic=abort -Csymbol-mangling-version=v0 -Cdebuginfo=2 -Clto=off -Zpanic-abort-tests -Zcodegen-backend=$(pwd)/target/${CHANNEL:-debug}/librustc_codegen_gcc.$dylib_ext --sysroot $(pwd)/build_sysroot/sysroot"
 
 # FIXME(antoyo): remove once the atomic shim is gone
 if [[ `uname` == 'Darwin' ]]; then

diff --git a/compiler/rustc_codegen_gcc/test.sh b/compiler/rustc_codegen_gcc/test.sh
@@ -183,7 +183,7 @@ EOF
     git checkout src/test/ui/type-alias-impl-trait/auxiliary/cross_crate_ice2.rs
     rm src/test/ui/llvm-asm/llvm-asm-in-out-operand.rs || true # TODO(antoyo): Enable back this test if I ever implement the llvm_asm! macro.
 
-    RUSTC_ARGS="-Zpanic-abort-tests -Zsymbol-mangling-version=v0 -Zcodegen-backend="$(pwd)"/../target/"$CHANNEL"/librustc_codegen_gcc."$dylib_ext" --sysroot "$(pwd)"/../build_sysroot/sysroot -Cpanic=abort"
+    RUSTC_ARGS="-Zpanic-abort-tests -Csymbol-mangling-version=v0 -Zcodegen-backend="$(pwd)"/../target/"$CHANNEL"/librustc_codegen_gcc."$dylib_ext" --sysroot "$(pwd)"/../build_sysroot/sysroot -Cpanic=abort"
 
     echo "[TEST] rustc test suite"
     COMPILETEST_FORCE_STAGE0=1 ./x.py test --run always --stage 0 src/test/ui/ --rustc-args "$RUSTC_ARGS"

diff --git a/compiler/rustc_session/src/options.rs b/compiler/rustc_session/src/options.rs
@@ -1230,7 +1230,7 @@ options! {
     instrument_coverage: Option<InstrumentCoverage> = (None, parse_instrument_coverage, [TRACKED],
         "instrument the generated code to support LLVM source-based code coverage \
         reports (note, the compiler build config must include `profiler = true`); \
-        implies `-Z symbol-mangling-version=v0`. Optional values are:
+        implies `-C symbol-mangling-version=v0`. Optional values are:
         `=all` (implicit value)
         `=except-unused-generics`
         `=except-unused-functions`

diff --git a/compiler/rustc_symbol_mangling/src/lib.rs b/compiler/rustc_symbol_mangling/src/lib.rs
@@ -237,7 +237,7 @@ fn compute_symbol_name<'tcx>(
 
     // Pick the crate responsible for the symbol mangling version, which has to:
     // 1. be stable for each instance, whether it's being defined or imported
-    // 2. obey each crate's own `-Z symbol-mangling-version`, as much as possible
+    // 2. obey each crate's own `-C symbol-mangling-version`, as much as possible
     // We solve these as follows:
     // 1. because symbol names depend on both `def_id` and `instantiating_crate`,
     // both their `CrateNum`s are stable for any given instance, so we can pick

diff --git a/src/doc/unstable-book/src/compiler-flags/instrument-coverage.md b/src/doc/unstable-book/src/compiler-flags/instrument-coverage.md
@@ -27,7 +27,7 @@ When running a coverage-instrumented program, the counter values are written to
 [`llvm.instrprof.increment`]: https://llvm.org/docs/LangRef.html#llvm-instrprof-increment-intrinsic
 [llvm code coverage mapping format]: https://llvm.org/docs/CoverageMappingFormat.html
 
-> **Note**: `-Z instrument-coverage` also automatically enables `-Z symbol-mangling-version=v0` (tracking issue [#60705]). The `v0` symbol mangler is strongly recommended, but be aware that this demangler is also experimental. The `v0` demangler can be overridden by explicitly adding `-Z symbol-mangling-version=legacy`.
+> **Note**: `-Z instrument-coverage` also automatically enables `-C symbol-mangling-version=v0` (tracking issue [#60705]). The `v0` symbol mangler is strongly recommended, but be aware that this demangler is also experimental. The `v0` demangler can be overridden by explicitly adding `-Z unstable-options -C symbol-mangling-version=legacy`.
 
 [#60705]: https://github.com/rust-lang/rust/issues/60705
 

diff --git a/src/test/codegen/inline-hint.rs b/src/test/codegen/inline-hint.rs
@@ -1,7 +1,7 @@
 // Checks that closures, constructors, and shims except
 // for a drop glue receive inline hint by default.
 //
-// compile-flags: -Cno-prepopulate-passes -Zsymbol-mangling-version=v0
+// compile-flags: -Cno-prepopulate-passes -Csymbol-mangling-version=v0
 #![crate_type = "lib"]
 
 pub fn f() {

diff --git a/src/test/run-make-fulldeps/a-b-a-linker-guard/Makefile b/src/test/run-make-fulldeps/a-b-a-linker-guard/Makefile
@@ -8,8 +8,8 @@
 # and will probably get removed once `legacy` is gone.
 
 all:
-	$(RUSTC) a.rs --cfg x -C prefer-dynamic -Z symbol-mangling-version=legacy
-	$(RUSTC) b.rs -C prefer-dynamic -Z symbol-mangling-version=legacy
+	$(RUSTC) a.rs --cfg x -C prefer-dynamic -Z unstable-options -C symbol-mangling-version=legacy
+	$(RUSTC) b.rs -C prefer-dynamic -Z unstable-options -C symbol-mangling-version=legacy
 	$(call RUN,b)
-	$(RUSTC) a.rs --cfg y -C prefer-dynamic -Z symbol-mangling-version=legacy
+	$(RUSTC) a.rs --cfg y -C prefer-dynamic -Z unstable-options -C symbol-mangling-version=legacy
 	$(call FAIL,b)
diff --git a/src/test/run-make-fulldeps/share-generics-dylib/Makefile b/src/test/run-make-fulldeps/share-generics-dylib/Makefile
@@ -11,7 +11,7 @@
 
 -include ../../run-make-fulldeps/tools.mk
 
-COMMON_ARGS=-Cprefer-dynamic -Zshare-generics=yes -Ccodegen-units=1 -Zsymbol-mangling-version=v0
+COMMON_ARGS=-Cprefer-dynamic -Zshare-generics=yes -Ccodegen-units=1 -Csymbol-mangling-version=v0
 
 all:
 	$(RUSTC) instance_provider_a.rs $(COMMON_ARGS) --crate-type=rlib

diff --git a/src/test/ui/lifetimes/issue-84604.rs b/src/test/ui/lifetimes/issue-84604.rs
@@ -1,5 +1,5 @@
 // run-pass
-// compile-flags: -Zsymbol-mangling-version=v0
+// compile-flags: -Csymbol-mangling-version=v0
 
 pub fn f<T: ?Sized>() {}
 pub trait Frob<T: ?Sized> {}

diff --git a/src/test/ui/panics/issue-47429-short-backtraces.rs b/src/test/ui/panics/issue-47429-short-backtraces.rs
@@ -14,8 +14,8 @@
 
 // NOTE(eddyb) output differs between symbol mangling schemes
 // revisions: legacy v0
-// [legacy] compile-flags: -Zsymbol-mangling-version=legacy
-//     [v0] compile-flags: -Zsymbol-mangling-version=v0
+// [legacy] compile-flags: -Zunstable-options -Csymbol-mangling-version=legacy
+//     [v0] compile-flags: -Csymbol-mangling-version=v0
 
 fn main() {
     panic!()

diff --git a/src/test/ui/polymorphization/closure_in_upvar/fn.rs b/src/test/ui/polymorphization/closure_in_upvar/fn.rs
@@ -1,5 +1,5 @@
 // build-pass
-// compile-flags:-Zpolymorphize=on -Zsymbol-mangling-version=v0
+// compile-flags:-Zpolymorphize=on -Csymbol-mangling-version=v0
 
 fn foo(f: impl Fn()) {
     let x = |_: ()| ();

diff --git a/src/test/ui/polymorphization/closure_in_upvar/fnmut.rs b/src/test/ui/polymorphization/closure_in_upvar/fnmut.rs
@@ -1,5 +1,5 @@
 // build-pass
-// compile-flags:-Zpolymorphize=on -Zsymbol-mangling-version=v0
+// compile-flags:-Zpolymorphize=on -Csymbol-mangling-version=v0
 
 fn foo(f: impl Fn()) {
     // Mutate an upvar from `x` so that it implements `FnMut`.

diff --git a/src/test/ui/polymorphization/closure_in_upvar/fnonce.rs b/src/test/ui/polymorphization/closure_in_upvar/fnonce.rs
@@ -1,5 +1,5 @@
 // build-pass
-// compile-flags:-Zpolymorphize=on -Zsymbol-mangling-version=v0
+// compile-flags:-Zpolymorphize=on -Csymbol-mangling-version=v0
 
 fn foo(f: impl Fn()) {
     // Move a non-copy type into `x` so that it implements `FnOnce`.

diff --git a/src/test/ui/polymorphization/closure_in_upvar/other.rs b/src/test/ui/polymorphization/closure_in_upvar/other.rs
@@ -1,5 +1,5 @@
 // build-pass
-// compile-flags:-Zpolymorphize=on -Zsymbol-mangling-version=v0
+// compile-flags:-Zpolymorphize=on -Csymbol-mangling-version=v0
 
 fn y_uses_f(f: impl Fn()) {
     let x = |_: ()| ();

diff --git a/src/test/ui/polymorphization/symbol-ambiguity.rs b/src/test/ui/polymorphization/symbol-ambiguity.rs
@@ -1,5 +1,5 @@
 // build-pass
-// compile-flags: -Zpolymorphize=on -Zsymbol-mangling-version=v0
+// compile-flags: -Zpolymorphize=on -Csymbol-mangling-version=v0
 
 pub(crate) struct Foo<'a, I, E>(I, &'a E);
 

diff --git a/src/test/ui/symbol-names/basic.rs b/src/test/ui/symbol-names/basic.rs
@@ -1,7 +1,7 @@
 // build-fail
 // revisions: legacy v0
-//[legacy]compile-flags: -Z symbol-mangling-version=legacy
-    //[v0]compile-flags: -Z symbol-mangling-version=v0
+//[legacy]compile-flags: -Z unstable-options -C symbol-mangling-version=legacy
+    //[v0]compile-flags: -C symbol-mangling-version=v0
 
 #![feature(rustc_attrs)]
 

diff --git a/src/test/ui/symbol-names/const-generics-demangling.rs b/src/test/ui/symbol-names/const-generics-demangling.rs
@@ -1,5 +1,5 @@
 // build-fail
-// compile-flags: -Z symbol-mangling-version=v0 --crate-name=c
+// compile-flags: -C symbol-mangling-version=v0 --crate-name=c
 // normalize-stderr-test: "c\[.*?\]" -> "c[HASH]"
 #![feature(rustc_attrs)]
 

diff --git a/src/test/ui/symbol-names/const-generics-str-demangling.rs b/src/test/ui/symbol-names/const-generics-str-demangling.rs
@@ -1,5 +1,5 @@
 // build-fail
-// compile-flags: -Z symbol-mangling-version=v0 --crate-name=c
+// compile-flags: -C symbol-mangling-version=v0 --crate-name=c
 // normalize-stderr-test: "c\[.*?\]" -> "c[HASH]"
 #![feature(adt_const_params, rustc_attrs)]
 #![allow(incomplete_features)]

diff --git a/src/test/ui/symbol-names/const-generics-structural-demangling.rs b/src/test/ui/symbol-names/const-generics-structural-demangling.rs
@@ -1,5 +1,5 @@
 // build-fail
-// compile-flags: -Z symbol-mangling-version=v0 --crate-name=c
+// compile-flags: -C symbol-mangling-version=v0 --crate-name=c
 
 // NOTE(eddyb) we need `core` for `core::option::Option`, normalize away its
 // disambiguator hash, which can/should change (including between stage{1,2}).

diff --git a/src/test/ui/symbol-names/const-generics.rs b/src/test/ui/symbol-names/const-generics.rs
@@ -1,7 +1,7 @@
 // check-pass
 // revisions: legacy v0
-//[legacy]compile-flags: -Z symbol-mangling-version=legacy --crate-type=lib
-//[v0]compile-flags: -Z symbol-mangling-version=v0 --crate-type=lib
+//[legacy]compile-flags: -Z unstable-options -C symbol-mangling-version=legacy --crate-type=lib
+//[v0]compile-flags: -C symbol-mangling-version=v0 --crate-type=lib
 
 // `char`
 pub struct Char<const F: char>;

diff --git a/src/test/ui/symbol-names/impl1.rs b/src/test/ui/symbol-names/impl1.rs
@@ -1,7 +1,7 @@
 // build-fail
 // revisions: legacy v0
-//[legacy]compile-flags: -Z symbol-mangling-version=legacy
-    //[v0]compile-flags: -Z symbol-mangling-version=v0
+//[legacy]compile-flags: -Z unstable-options -C symbol-mangling-version=legacy
+    //[v0]compile-flags: -C symbol-mangling-version=v0
 //[legacy]normalize-stderr-test: "h[\w]{16}E?\)" -> "<SYMBOL_HASH>)"
 
 #![feature(auto_traits, rustc_attrs)]

diff --git a/src/test/ui/symbol-names/issue-60925.rs b/src/test/ui/symbol-names/issue-60925.rs
@@ -1,7 +1,7 @@
 // build-fail
 // revisions: legacy v0
-//[legacy]compile-flags: -Z symbol-mangling-version=legacy
-    //[v0]compile-flags: -Z symbol-mangling-version=v0
+//[legacy]compile-flags: -Z unstable-options -C symbol-mangling-version=legacy
+    //[v0]compile-flags: -C symbol-mangling-version=v0
 
 #![feature(rustc_attrs)]
 

diff --git a/src/test/ui/symbol-names/issue-75326.rs b/src/test/ui/symbol-names/issue-75326.rs
@@ -1,7 +1,7 @@
 // build-fail
 // revisions: legacy v0
-//[legacy]compile-flags: -Z symbol-mangling-version=legacy
-//[v0]compile-flags: -Z symbol-mangling-version=v0
+//[legacy]compile-flags: -Z unstable-options -C symbol-mangling-version=legacy
+//[v0]compile-flags: -C symbol-mangling-version=v0
 //[legacy]normalize-stderr-test: "h[\w{16}]+" -> "SYMBOL_HASH"
 
 #![feature(rustc_attrs)]

diff --git a/src/test/ui/symbol-names/issue-76365.rs b/src/test/ui/symbol-names/issue-76365.rs
@@ -1,7 +1,7 @@
 // check-pass
 // revisions: legacy v0
-//[legacy]compile-flags: -Z symbol-mangling-version=legacy --crate-type=lib
-//[v0]compile-flags: -Z symbol-mangling-version=v0 --crate-type=lib
+//[legacy]compile-flags: -Z unstable-options -C symbol-mangling-version=legacy --crate-type=lib
+//[v0]compile-flags: -C symbol-mangling-version=v0 --crate-type=lib
 
 
 pub struct Bar<const F: bool>;

diff --git a/src/test/ui/symbol-names/trait-objects.rs b/src/test/ui/symbol-names/trait-objects.rs
@@ -2,7 +2,7 @@
 
 // build-fail
 // revisions: v0
-//[v0]compile-flags: -Z symbol-mangling-version=v0
+//[v0]compile-flags: -C symbol-mangling-version=v0
 //[v0]normalize-stderr-test: "core\[.*?\]" -> "core[HASH]"
 
 #![feature(rustc_attrs)]