instance: only polymorphize upvar substs

This commit restricts the substitution polymorphization added in #75255
to only apply to the tupled upvar substitution, rather than all
substitutions, fixing a bunch of regressions when polymorphization is
enabled.

Signed-off-by: David Wood <david@davidtw.co>

1 files changed, 0 insertions, 52 deletions

diff --git a/src/test/codegen-units/polymorphization/pr-75255.rs b/src/test/codegen-units/polymorphization/pr-75255.rs
deleted file mode 100644
index af47b440640..00000000000
--- a/src/test/codegen-units/polymorphization/pr-75255.rs
+++ /dev/null
@@ -1,52 +0,0 @@
-// compile-flags:-Zpolymorphize=on -Zprint-mono-items=lazy -Copt-level=1
-// ignore-tidy-linelength
-
-#![crate_type = "rlib"]
-
-// Test that only one copy of `Iter::map` and `iter::repeat` are generated.
-
-fn unused<T>() -> u64 {
-    42
-}
-
-fn foo<T>() {
-    let x = [1, 2, 3, std::mem::size_of::<T>()];
-    x.iter().map(|_| ());
-}
-
-//~ MONO_ITEM fn core::iter[0]::adapters[0]::{{impl}}[29]::new[0]<core::slice[0]::Iter[0]<usize>, pr_75255::foo[0]::{{closure}}[0]<T>> @@ pr_75255-cgu.0[External]
-//~ MONO_ITEM fn core::iter[0]::traits[0]::iterator[0]::Iterator[0]::map[0]<core::slice[0]::Iter[0]<usize>, (), pr_75255::foo[0]::{{closure}}[0]<T>> @@ pr_75255-cgu.1[Internal]
-
-fn bar<T>() {
-    std::iter::repeat(unused::<T>);
-}
-
-//~ MONO_ITEM fn core::iter[0]::sources[0]::repeat[0]<fn() -> u64> @@ pr_75255-cgu.1[Internal]
-
-pub fn dispatch() {
-    foo::<String>();
-    foo::<Vec<String>>();
-
-    bar::<String>();
-    bar::<Vec<String>>();
-}
-
-// These are all the items that aren't relevant to the test.
-//~ MONO_ITEM fn core::mem[0]::size_of[0]<alloc::string[0]::String[0]> @@ pr_75255-cgu.1[Internal]
-//~ MONO_ITEM fn core::mem[0]::size_of[0]<alloc::vec[0]::Vec[0]<alloc::string[0]::String[0]>> @@ pr_75255-cgu.1[Internal]
-//~ MONO_ITEM fn core::mem[0]::size_of[0]<usize> @@ pr_75255-cgu.1[Internal]
-//~ MONO_ITEM fn core::ptr[0]::const_ptr[0]::{{impl}}[0]::add[0]<usize> @@ pr_75255-cgu.1[Internal]
-//~ MONO_ITEM fn core::ptr[0]::const_ptr[0]::{{impl}}[0]::is_null[0]<usize> @@ pr_75255-cgu.1[Internal]
-//~ MONO_ITEM fn core::ptr[0]::const_ptr[0]::{{impl}}[0]::offset[0]<usize> @@ pr_75255-cgu.1[Internal]
-//~ MONO_ITEM fn core::ptr[0]::const_ptr[0]::{{impl}}[0]::wrapping_add[0]<u8> @@ pr_75255-cgu.1[Internal]
-//~ MONO_ITEM fn core::ptr[0]::const_ptr[0]::{{impl}}[0]::wrapping_offset[0]<u8> @@ pr_75255-cgu.1[Internal]
-//~ MONO_ITEM fn core::ptr[0]::non_null[0]::{{impl}}[3]::new_unchecked[0]<usize> @@ pr_75255-cgu.1[Internal]
-//~ MONO_ITEM fn core::ptr[0]::null[0]<u8> @@ pr_75255-cgu.1[Internal]
-//~ MONO_ITEM fn core::slice[0]::{{impl}}[0]::as_ptr[0]<usize> @@ pr_75255-cgu.1[Internal]
-//~ MONO_ITEM fn core::slice[0]::{{impl}}[0]::iter[0]<usize> @@ pr_75255-cgu.1[Internal]
-//~ MONO_ITEM fn core::slice[0]::{{impl}}[0]::len[0]<usize> @@ pr_75255-cgu.1[Internal]
-//~ MONO_ITEM fn pr_75255::dispatch[0] @@ pr_75255-cgu.1[External]
-//~ MONO_ITEM fn pr_75255::foo[0]<alloc::string[0]::String[0]> @@ pr_75255-cgu.1[Internal]
-//~ MONO_ITEM fn pr_75255::foo[0]<alloc::vec[0]::Vec[0]<alloc::string[0]::String[0]>> @@ pr_75255-cgu.1[Internal]
-//~ MONO_ITEM fn pr_75255::bar[0]<alloc::string[0]::String[0]> @@ pr_75255-cgu.1[Internal]
-//~ MONO_ITEM fn pr_75255::bar[0]<alloc::vec[0]::Vec[0]<alloc::string[0]::String[0]>> @@ pr_75255-cgu.1[Internal]