Auto merge of rust-lang#136954 - jhpratt:rollup-koefsot, r=jhpratt

Rollup of 12 pull requests

Successful merges:

 - rust-lang#134090 (Stabilize target_feature_11)
 - rust-lang#135025 (Cast allocas to default address space)
 - rust-lang#135841 (Reject `?Trait` bounds in various places where we unconditionally warned since 1.0)
 - rust-lang#136217 (Mark condition/carry bit as clobbered in C-SKY inline assembly)
 - rust-lang#136699 (std: replace the `FromInner` implementation for addresses with private conversion functions)
 - rust-lang#136806 (Fix cycle when debug-printing opaque types from RPITIT)
 - rust-lang#136807 (compiler: internally merge `PtxKernel` into `GpuKernel`)
 - rust-lang#136818 (Implement `read*_exact` for `std:io::repeat`)
 - rust-lang#136927 (Correctly escape hashtags when running `invalid_rust_codeblocks` lint)
 - rust-lang#136937 (Update books)
 - rust-lang#136945 (Add diagnostic item for `std::io::BufRead`)
 - rust-lang#136947 (Reinstate nnethercote in the review rotation.)

r? `@ghost`
`@rustbot` modify labels: rollup

Author: bors

compiler/rustc_codegen_cranelift/src/abi/mod.rs

@@ -65,11 +65,7 @@ pub(crate) fn conv_to_call_conv(sess: &Session, c: Conv, default_call_conv: Call
             sess.dcx().fatal("C-cmse-nonsecure-entry call conv is not yet implemented");
         }
 
-        Conv::Msp430Intr
-        | Conv::PtxKernel
-        | Conv::GpuKernel
-        | Conv::AvrInterrupt
-        | Conv::AvrNonBlockingInterrupt => {
+        Conv::Msp430Intr | Conv::GpuKernel | Conv::AvrInterrupt | Conv::AvrNonBlockingInterrupt => {
             unreachable!("tried to use {c:?} call conv which only exists on an unsupported target");
         }
     }

compiler/rustc_codegen_llvm/src/abi.rs

@@ -687,7 +687,6 @@ impl llvm::CallConv {
             Conv::AvrNonBlockingInterrupt => llvm::AvrNonBlockingInterrupt,
             Conv::ArmAapcs => llvm::ArmAapcsCallConv,
             Conv::Msp430Intr => llvm::Msp430Intr,
-            Conv::PtxKernel => llvm::PtxKernel,
             Conv::X86Fastcall => llvm::X86FastcallCallConv,
             Conv::X86Intr => llvm::X86_Intr,
             Conv::X86Stdcall => llvm::X86StdcallCallConv,