CI updates

.clang-tidy

@@ -22,7 +22,7 @@ Checks: >
     -clang-analyzer-optin.performance.Padding,
     -clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling,
     -clang-analyzer-security.insecureAPI.strcpy,
-  clang-diagnostics-*,
+  clang-diagnostic-*,
   performance-*,
     -performance-avoid-endl,
     -performance-unnecessary-value-param,

.github/workflows/ci.yml

@@ -17,8 +17,8 @@ env:
   UPX_CMAKE_CONFIG_FLAGS: -Wdev --warn-uninitialized
   UPX_DEBUG_TEST_FLOAT_DIVISION_BY_ZERO: 1
   UPX_DEBUG_TEST_LIBC_QSORT: 1
-  # 2024-04-14
+  # 2024-04-20
-  ZIG_DIST_VERSION: 0.12.0-dev.3653+e45bdc6bd
+  ZIG_DIST_VERSION: 0.12.0
 
 jobs:
   job-rebuild-and-verify-stubs:

misc/analyze/clang-tidy/clang-tidy-bzip2.yml

@@ -16,7 +16,7 @@ Checks: >
     -clang-analyzer-core.UndefinedBinaryOperatorResult,
     -clang-analyzer-core.uninitialized.Assign,
     -clang-analyzer-security.insecureAPI.strcpy,
-  clang-diagnostics-*,
+  clang-diagnostic-*,
   performance-*,
 FormatStyle: file
 HeaderFilterRegex: '.*'

misc/analyze/clang-tidy/clang-tidy-ucl.yml

@@ -14,7 +14,7 @@ Checks: >
     -bugprone-suspicious-include,
   clang-analyzer-*,
     -clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling,
-  clang-diagnostics-*,
+  clang-diagnostic-*,
   performance-*,
 FormatStyle: file
 HeaderFilterRegex: '.*'

misc/analyze/clang-tidy/clang-tidy-zlib.yml

@@ -15,7 +15,7 @@ Checks: >
   clang-analyzer-*,
     -clang-analyzer-optin.performance.Padding,
     -clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling,
-  clang-diagnostics-*,
+  clang-diagnostic-*,
   performance-*,
 FormatStyle: file
 HeaderFilterRegex: '.*'

misc/analyze/clang-tidy/clang-tidy-zstd.yml

@@ -18,7 +18,7 @@ Checks: >
     -clang-analyzer-core.UndefinedBinaryOperatorResult,
     -clang-analyzer-deadcode.DeadStores,
     -clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling,
-  clang-diagnostics-*,
+  clang-diagnostic-*,
   performance-*,
     -performance-no-int-to-ptr,
 FormatStyle: file

src/check/dt_check.cpp

@@ -370,28 +370,6 @@ static noinline double u64_f64_sub_div(upx_uint64_t a, upx_uint64_t b) {
     return (a - b) / 1000000.0;
 }
 
-// extra debugging; floating point edge cases cause portability problems in practice
-static noinline bool shall_test_float_division_by_zero(void) {
-    static bool result = false; // default is false
-    static upx_std_once_flag init_done;
-    upx_std_call_once(init_done, []() noexcept {
-        static const char envvar[] = "UPX_DEBUG_TEST_FLOAT_DIVISION_BY_ZERO";
-        const char *e = upx_getenv(envvar);
-        bool force = (e && e[0] && strcmp(e, "2") == 0);
-        if (force)
-            result = true;
-        else if (is_envvar_true(envvar)) {
-#if defined(__clang__) && defined(__FAST_MATH__) && defined(__INTEL_LLVM_COMPILER)
-            // warning: comparison with NaN always evaluates to false in fast floating point modes
-            fprintf(stderr, "upx: WARNING: ignoring %s: __FAST_MATH__\n", envvar);
-#else
-            result = true;
-#endif
-        }
-    });
-    return result;
-}
-
 template <class Int, class Float>
 struct TestFloat {
     static constexpr Int X = 1000000;
@@ -407,10 +385,16 @@ struct TestFloat {
         assert_noexcept(sub_div(3 * X, X, Float(X)) == Float(2));
         assert_noexcept(sub_div_x(3 * X, X) == Float(2));
         // extra debugging; floating point edge cases cause portability problems in practice
-        if (shall_test_float_division_by_zero()) {
+        static const char envvar[] = "UPX_DEBUG_TEST_FLOAT_DIVISION_BY_ZERO";
+        if (is_envvar_true(envvar)) {
+#if defined(__FAST_MATH__)
+            // warning: comparison with NaN always evaluates to false in fast floating point modes
+            fprintf(stderr, "upx: WARNING: ignoring %s: __FAST_MATH__\n", envvar);
+#else
             assert_noexcept(std::isnan(div(0, Float(0))));
             assert_noexcept(std::isinf(div(1, Float(0))));
             assert_noexcept(std::isinf(div(Int(-1), Float(0))));
+#endif
         }
     }
 };

src/check/dt_cxxlib.cpp

@@ -364,11 +364,15 @@ struct TestTriBool {
         static_assert(std::is_trivially_copyable<T>::value);
         static_assert(sizeof(typename T::value_type) == sizeof(typename T::underlying_type));
         static_assert(alignof(typename T::value_type) == alignof(typename T::underlying_type));
-#if (ACC_ARCH_M68K && ACC_OS_TOS && ACC_CC_GNUC) && defined(__MINT__)
+#if defined(__m68k__) && defined(__atarist__) && defined(__GNUC__)
         // broken compiler or broken ABI
-#elif __GNUC__ == 7 && defined(__i386__) && !defined(__clang__)
+#elif defined(__i386__) && defined(__clang__) && (__clang_major__ < 9)
         static_assert(sizeof(T) == sizeof(typename T::underlying_type));
-        // gcc-7 "long long" enum align bug/ABI problem on i386
+        // i386: "long long" enum align bug/ABI problem on older compilers
+        static_assert(alignof(T) <= alignof(typename T::underlying_type));
+#elif defined(__i386__) && defined(__GNUC__) && (__GNUC__ == 7) && !defined(__clang__)
+        static_assert(sizeof(T) == sizeof(typename T::underlying_type));
+        // i386: "long long" enum align bug/ABI problem on older compilers
         static_assert(alignof(T) <= alignof(typename T::underlying_type));
 #else
         static_assert(sizeof(T) == sizeof(typename T::underlying_type));

src/check/dt_impl.cpp

@@ -55,7 +55,7 @@
 #endif
 #endif
 
-#if defined(__clang__) && defined(__FAST_MATH__) && defined(__INTEL_LLVM_COMPILER)
+#if defined(__clang__) && defined(__FAST_MATH__)
 // warning: comparison with NaN always evaluates to false in fast floating point modes
 #pragma clang diagnostic ignored "-Wtautological-constant-compare"
 #endif