processor: temporarily enable debug output + analyzegc fix

Enable cpufeatures debug output unconditionally to diagnose i686 CI
failure. Also hide jl_get_llvm_target from clang analyzer.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: gbaraldi

deps/cpufeatures.version

@@ -3,5 +3,5 @@
 ## source build
 CPUFEATURES_VER := 0.2.0
 CPUFEATURES_GIT_URL := https://github.com/gbaraldi/cpufeatures.git
-CPUFEATURES_TAR_URL := https://github.com/gbaraldi/cpufeatures/archive/2e40d39f94337875f69d0b6fafb440a4e13fe1fb.tar.gz
-CPUFEATURES_SHA := 2e40d39f94337875f69d0b6fafb440a4e13fe1fb
+CPUFEATURES_TAR_URL := https://github.com/gbaraldi/cpufeatures/archive/5319d0c.tar.gz
+CPUFEATURES_SHA := 5319d0c

src/processor.cpp

@@ -274,12 +274,8 @@ static_assert(TARGET_TABLES_LLVM_VERSION_MAJOR == LLVM_VERSION_MAJOR,
 // ============================================================================
 
 static bool cpufeatures_debug_enabled() {
-    static int enabled = -1;
-    if (enabled == -1) {
-        const char *debug_env = getenv("JULIA_DEBUG");
-        enabled = debug_env && (strstr(debug_env, "cpufeatures") || strstr(debug_env, "all"));
-    }
-    return enabled;
+    // Temporarily always enabled for CI debugging
+    return true;
 }
 
 #define CF_DEBUG(...) do { if (cpufeatures_debug_enabled()) jl_safe_printf(__VA_ARGS__); } while (0)
@@ -617,6 +613,7 @@ jl_image_t jl_init_processor_pkgimg(jl_image_buf_t image)
     return parse_sysimg(image, pkgimg_init_cb, NULL);
 }
 
+#ifndef __clang_analyzer__
 std::pair<std::string, std::vector<std::string>>
 jl_get_llvm_target(const char *cpu_target, bool imaging, uint32_t &flags)
 {
@@ -639,6 +636,7 @@ jl_get_llvm_target(const char *cpu_target, bool imaging, uint32_t &flags)
 
     return std::make_pair(spec.cpu_name, std::move(features));
 }
+#endif
 
 #ifndef __clang_analyzer__
 const std::pair<std::string, std::string> &jl_get_llvm_disasm_target(void)