Merge pull request #4548 from rust-lang/rustup-2025-08-30

Automatic Rustup

3 files changed, 6 insertions, 17 deletions

diff --git a/compiler/rustc_llvm/Cargo.toml b/compiler/rustc_llvm/Cargo.toml
index cd352ce3d0f..e74de453be2 100644
--- a/compiler/rustc_llvm/Cargo.toml
+++ b/compiler/rustc_llvm/Cargo.toml
@@ -5,7 +5,7 @@ edition = "2024"
 
 [dependencies]
 # tidy-alphabetical-start
-libc = "0.2.73"
+libc.workspace = true
 # tidy-alphabetical-end
 
 [build-dependencies]
diff --git a/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp
index 8c34052770e..dd492325814 100644
--- a/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp
+++ b/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp
@@ -1226,12 +1226,6 @@ extern "C" void LLVMRustPrintPasses() {
 extern "C" void LLVMRustRunRestrictionPass(LLVMModuleRef M, char **Symbols,
                                            size_t Len) {
   auto PreserveFunctions = [=](const GlobalValue &GV) {
-    // Preserve LLVM-injected, ASAN-related symbols.
-    // See also https://github.com/rust-lang/rust/issues/113404.
-    if (GV.getName() == "___asan_globals_registered") {
-      return true;
-    }
-
     // Preserve symbols exported from Rust modules.
     for (size_t I = 0; I < Len; I++) {
       if (GV.getName() == Symbols[I]) {
diff --git a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
index cce40da354d..361a5f76551 100644
--- a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
+++ b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
@@ -242,7 +242,7 @@ enum class LLVMRustAttributeKind {
   MinSize = 4,
   Naked = 5,
   NoAlias = 6,
-  NoCapture = 7,
+  CapturesAddress = 7,
   NoInline = 8,
   NonNull = 9,
   NoRedZone = 10,
@@ -297,12 +297,6 @@ static Attribute::AttrKind fromRust(LLVMRustAttributeKind Kind) {
     return Attribute::Naked;
   case LLVMRustAttributeKind::NoAlias:
     return Attribute::NoAlias;
-  case LLVMRustAttributeKind::NoCapture:
-#if LLVM_VERSION_GE(21, 0)
-    report_fatal_error("NoCapture doesn't exist in LLVM 21");
-#else
-    return Attribute::NoCapture;
-#endif
   case LLVMRustAttributeKind::NoCfCheck:
     return Attribute::NoCfCheck;
   case LLVMRustAttributeKind::NoInline:
@@ -377,6 +371,7 @@ static Attribute::AttrKind fromRust(LLVMRustAttributeKind Kind) {
 #else
     report_fatal_error("DeadOnReturn attribute requires LLVM 21 or later");
 #endif
+  case LLVMRustAttributeKind::CapturesAddress:
   case LLVMRustAttributeKind::CapturesReadOnly:
     report_fatal_error("Should be handled separately");
   }
@@ -429,9 +424,9 @@ extern "C" void LLVMRustEraseInstFromParent(LLVMValueRef Instr) {
 extern "C" LLVMAttributeRef
 LLVMRustCreateAttrNoValue(LLVMContextRef C, LLVMRustAttributeKind RustAttr) {
 #if LLVM_VERSION_GE(21, 0)
-  // LLVM 21 replaced the NoCapture attribute with Captures(none).
-  if (RustAttr == LLVMRustAttributeKind::NoCapture) {
-    return wrap(Attribute::getWithCaptureInfo(*unwrap(C), CaptureInfo::none()));
+  if (RustAttr == LLVMRustAttributeKind::CapturesAddress) {
+    return wrap(Attribute::getWithCaptureInfo(
+        *unwrap(C), CaptureInfo(CaptureComponents::Address)));
   }
   if (RustAttr == LLVMRustAttributeKind::CapturesReadOnly) {
     return wrap(Attribute::getWithCaptureInfo(