Upgrade to LLVM 20

Author: Fidget-Spinner

.github/workflows/tail-call.yml

@@ -1,4 +1,3 @@
-# Beep boop trigger CI
 name: Tail calling interpreter
 on:
   pull_request:
@@ -46,7 +45,7 @@ jobs:
           - aarch64-unknown-linux-gnu/gcc
           - free-threading
         llvm:
-          - 19
+          - 20
         include:
 #          - target: i686-pc-windows-msvc/msvc
 #            architecture: Win32
@@ -84,9 +83,9 @@ jobs:
         if: runner.os == 'Windows' && matrix.architecture != 'ARM64'
         shell: cmd
         run: |
-          choco install llvm --allow-downgrade --no-progress --version ${{ matrix.llvm }}.1.5
+          choco install llvm --allow-downgrade --no-progress --version ${{ matrix.llvm }}.1.0
           set PlatformToolset=clangcl
-          set LLVMToolsVersion=${{ matrix.llvm }}.1.5
+          set LLVMToolsVersion=${{ matrix.llvm }}.1.0
           set LLVMInstallDir=C:\Program Files\LLVM
           call ./PCbuild/build.bat --tail-call-interp -d -p ${{ matrix.architecture }}
           call ./PCbuild/rt.bat -d -p ${{ matrix.architecture }} -q --multiprocess 0 --timeout 4500 --verbose2 --verbose3
@@ -96,9 +95,9 @@ jobs:
         if: runner.os == 'Windows' && matrix.architecture == 'ARM64'
         shell: cmd
         run: |
-          choco install llvm --allow-downgrade --no-progress --version ${{ matrix.llvm }}.1.5
+          choco install llvm --allow-downgrade --no-progress --version ${{ matrix.llvm }}.1.0
           set PlatformToolset=clangcl
-          set LLVMToolsVersion=${{ matrix.llvm }}.1.5
+          set LLVMToolsVersion=${{ matrix.llvm }}.1.0
           set LLVMInstallDir=C:\Program Files\LLVM
           ./PCbuild/build.bat --tail-call-interp -p ${{ matrix.architecture }}
 

Include/internal/pycore_debug_offsets.h

@@ -17,19 +17,11 @@ extern "C" {
 
 // Macros to burn global values in custom sections so out-of-process
 // profilers can locate them easily.
-
-// MSVC+Clang has a bug where it declares it twice.
-#if defined(MS_WINDOWS) && defined(__clang__)
-#   define GENERATE_DEBUG_SECTION(name, declaration)     \
-        _GENERATE_DEBUG_SECTION_WINDOWS(name)
-#else
-// Everything else
-#   define GENERATE_DEBUG_SECTION(name, declaration)     \
-        _GENERATE_DEBUG_SECTION_WINDOWS(name)            \
-        _GENERATE_DEBUG_SECTION_APPLE(name)              \
-        declaration                                      \
-        _GENERATE_DEBUG_SECTION_LINUX(name)
-#endif
+#define GENERATE_DEBUG_SECTION(name, declaration)     \
+   _GENERATE_DEBUG_SECTION_WINDOWS(name)            \
+   _GENERATE_DEBUG_SECTION_APPLE(name)              \
+   declaration                                      \
+   _GENERATE_DEBUG_SECTION_LINUX(name)
 
 #if defined(MS_WINDOWS)
 #define _GENERATE_DEBUG_SECTION_WINDOWS(name)                       \