diff --git a/simde/simde-common.h b/simde/simde-common.h
index db991aa43..31889b492 100644
--- a/simde/simde-common.h
+++ b/simde/simde-common.h
@@ -1159,6 +1159,9 @@ HEDLEY_DIAGNOSTIC_POP
 #      if HEDLEY_HAS_WARNING("-Wvector-conversion") && SIMDE_DETECT_CLANG_VERSION_NOT(11,0,0)
 #        define SIMDE_BUG_CLANG_44589
 #      endif
+#      if SIMDE_DETECT_CLANG_VERSION_CHECK(21,1,1)
+#        define SIMDE_BUG_CLANG_179057
+#      endif
 #      define SIMDE_BUG_CLANG_48673  // https://github.com/llvm/llvm-project/issues/48017
 #    endif
 #    define SIMDE_BUG_CLANG_45959  // https://github.com/llvm/llvm-project/issues/45304
diff --git a/simde/simde-detect-clang.h b/simde/simde-detect-clang.h
index f00c93358..dfbb61ff4 100644
--- a/simde/simde-detect-clang.h
+++ b/simde/simde-detect-clang.h
@@ -65,7 +65,11 @@
 #  elif __has_builtin(__builtin_elementwise_fshl)
 #    define SIMDE_DETECT_CLANG_VERSION 220000
 #  elif __has_builtin(__builtin_structured_binding_size)
-#    define SIMDE_DETECT_CLANG_VERSION 210000
+#    if __clang_major__ == 21 && __clang_minor__ >= 1 && __clang_patchlevel__ >= 1
+#      define SIMDE_DETECT_CLANG_VERSION 210101  // for SIMDE_BUG_CLANG_179057
+#    else
+#      define SIMDE_DETECT_CLANG_VERSION 210000
+#    endif
 #  elif __has_warning("-Warray-compare-cxx26")
 #    define SIMDE_DETECT_CLANG_VERSION 200000
 #  elif __has_warning("-Wmissing-designated-field-initializers")
@@ -129,8 +133,8 @@
  * such as pragmas to disable a specific warning. */
 
 #if defined(SIMDE_DETECT_CLANG_VERSION)
-#  define SIMDE_DETECT_CLANG_VERSION_CHECK(major, minor, revision) (SIMDE_DETECT_CLANG_VERSION >= ((major * 10000) + (minor * 1000) + (revision)))
-#  define SIMDE_DETECT_CLANG_VERSION_NOT(major, minor, revision) (SIMDE_DETECT_CLANG_VERSION < ((major * 10000) + (minor * 1000) + (revision)))
+#  define SIMDE_DETECT_CLANG_VERSION_CHECK(major, minor, revision) (SIMDE_DETECT_CLANG_VERSION >= ((major * 10000) + (minor * 100) + (revision)))
+#  define SIMDE_DETECT_CLANG_VERSION_NOT(major, minor, revision) (SIMDE_DETECT_CLANG_VERSION < ((major * 10000) + (minor * 100) + (revision)))
 #else
 #  define SIMDE_DETECT_CLANG_VERSION_CHECK(major, minor, revision) (0)
 #  define SIMDE_DETECT_CLANG_VERSION_NOT(major, minor, revision) (0)
diff --git a/simde/x86/avx512/fixupimm.h b/simde/x86/avx512/fixupimm.h
index 2ea234bd9..df439fc1e 100644
--- a/simde/x86/avx512/fixupimm.h
+++ b/simde/x86/avx512/fixupimm.h
@@ -430,7 +430,7 @@ simde_mm_fixupimm_ss (simde__m128 a, simde__m128 b, simde__m128i c, int imm8)
   #define _mm_fixupimm_ss(a, b, c, imm8) simde_mm_fixupimm_ss(a, b, c, imm8)
 #endif
 
-#if defined(SIMDE_X86_AVX512F_NATIVE)
+#if defined(SIMDE_X86_AVX512F_NATIVE) && !defined(SIMDE_BUG_CLANG_179057)
   #define simde_mm_mask_fixupimm_ss(a, k, b, c, imm8) _mm_mask_fixupimm_ss(a, k, b, c, imm8)
 #else
   #define simde_mm_mask_fixupimm_ss(a, k, b, c, imm8) simde_mm_mask_mov_ps(a, ((k) | 14), simde_mm_fixupimm_ss(a, b, c, imm8))
@@ -440,7 +440,7 @@ simde_mm_fixupimm_ss (simde__m128 a, simde__m128 b, simde__m128i c, int imm8)
   #define _mm_mask_fixupimm_ss(a, k, b, c, imm8) simde_mm_mask_fixupimm_ss(a, k, b, c, imm8)
 #endif
 
-#if defined(SIMDE_X86_AVX512F_NATIVE)
+#if defined(SIMDE_X86_AVX512F_NATIVE) && !defined(SIMDE_BUG_CLANG_179057)
   #define simde_mm_maskz_fixupimm_ss(k, a, b, c, imm8) _mm_maskz_fixupimm_ss(k, a, b, c, imm8)
 #else
   #define simde_mm_maskz_fixupimm_ss(k, a, b, c, imm8) simde_mm_maskz_mov_ps(((k) | 14), simde_mm_fixupimm_ss(a, b, c, imm8))
@@ -874,7 +874,7 @@ simde_mm_fixupimm_sd (simde__m128d a, simde__m128d b, simde__m128i c, int imm8)
   #define _mm_fixupimm_sd(a, b, c, imm8) simde_mm_fixupimm_sd(a, b, c, imm8)
 #endif
 
-#if defined(SIMDE_X86_AVX512F_NATIVE)
+#if defined(SIMDE_X86_AVX512F_NATIVE) && !defined(SIMDE_BUG_CLANG_179057)
   #define simde_mm_mask_fixupimm_sd(a, k, b, c, imm8) _mm_mask_fixupimm_sd(a, k, b, c, imm8)
 #else
   #define simde_mm_mask_fixupimm_sd(a, k, b, c, imm8) simde_mm_mask_mov_pd(a, ((k) | 2), simde_mm_fixupimm_sd(a, b, c, imm8))
@@ -884,7 +884,7 @@ simde_mm_fixupimm_sd (simde__m128d a, simde__m128d b, simde__m128i c, int imm8)
   #define _mm_mask_fixupimm_sd(a, k, b, c, imm8) simde_mm_mask_fixupimm_sd(a, k, b, c, imm8)
 #endif
 
-#if defined(SIMDE_X86_AVX512F_NATIVE)
+#if defined(SIMDE_X86_AVX512F_NATIVE) && !defined(SIMDE_BUG_CLANG_179057)
   #define simde_mm_maskz_fixupimm_sd(k, a, b, c, imm8) _mm_maskz_fixupimm_sd(k, a, b, c, imm8)
 #else
   #define simde_mm_maskz_fixupimm_sd(k, a, b, c, imm8) simde_mm_maskz_mov_pd(((k) | 2), simde_mm_fixupimm_sd(a, b, c, imm8))
diff --git a/simde/x86/avx512/fixupimm_round.h b/simde/x86/avx512/fixupimm_round.h
index 636b82a84..905bc768a 100644
--- a/simde/x86/avx512/fixupimm_round.h
+++ b/simde/x86/avx512/fixupimm_round.h
@@ -401,7 +401,7 @@ SIMDE_BEGIN_DECLS_
   #define _mm_fixupimm_round_ss(a, b, c, imm8, sae) simde_mm_fixupimm_round_ss(a, b, c, imm8, sae)
 #endif
 
-#if defined(SIMDE_X86_AVX512F_NATIVE)
+#if defined(SIMDE_X86_AVX512F_NATIVE) && !defined(SIMDE_BUG_CLANG_179057)
   #define simde_mm_mask_fixupimm_round_ss(a, k, b, c, imm8, sae) _mm_mask_fixupimm_round_ss(a, k, b, c, imm8, sae)
 #elif defined(SIMDE_FAST_EXCEPTIONS)
   #define simde_mm_mask_fixupimm_round_ss(a, k, b, c, imm8, sae) simde_mm_mask_fixupimm_ss(a, k, b, c, imm8)
@@ -457,7 +457,7 @@ SIMDE_BEGIN_DECLS_
   #define _mm_mask_fixupimm_round_ss(a, k, b, c, imm8, sae) simde_mm_mask_fixupimm_round_ss(a, k, b, c, imm8, sae)
 #endif
 
-#if defined(SIMDE_X86_AVX512F_NATIVE)
+#if defined(SIMDE_X86_AVX512F_NATIVE) && !defined(SIMDE_BUG_CLANG_179057)
   #define simde_mm_maskz_fixupimm_round_ss(k, a, b, c, imm8, sae) _mm_maskz_fixupimm_round_ss(k, a, b, c, imm8, sae)
 #elif defined(SIMDE_FAST_EXCEPTIONS)
   #define simde_mm_maskz_fixupimm_round_ss(k, a, b, c, imm8, sae) simde_mm_maskz_fixupimm_ss(k, a, b, c, imm8)
@@ -569,7 +569,7 @@ SIMDE_BEGIN_DECLS_
   #define _mm_fixupimm_round_sd(a, b, c, imm8, sae) simde_mm_fixupimm_round_sd(a, b, c, imm8, sae)
 #endif
 
-#if defined(SIMDE_X86_AVX512F_NATIVE)
+#if defined(SIMDE_X86_AVX512F_NATIVE) && !defined(SIMDE_BUG_CLANG_179057)
   #define simde_mm_mask_fixupimm_round_sd(a, k, b, c, imm8, sae) _mm_mask_fixupimm_round_sd(a, k, b, c, imm8, sae)
 #elif defined(SIMDE_FAST_EXCEPTIONS)
   #define simde_mm_mask_fixupimm_round_sd(a, k, b, c, imm8, sae) simde_mm_mask_fixupimm_sd(a, k, b, c, imm8)
@@ -625,7 +625,7 @@ SIMDE_BEGIN_DECLS_
   #define _mm_mask_fixupimm_round_sd(a, k, b, c, imm8, sae) simde_mm_mask_fixupimm_round_sd(a, k, b, c, imm8, sae)
 #endif
 
-#if defined(SIMDE_X86_AVX512F_NATIVE)
+#if defined(SIMDE_X86_AVX512F_NATIVE) && !defined(SIMDE_BUG_CLANG_179057)
   #define simde_mm_maskz_fixupimm_round_sd(k, a, b, c, imm8, sae) _mm_maskz_fixupimm_round_sd(k, a, b, c, imm8, sae)
 #elif defined(SIMDE_FAST_EXCEPTIONS)
   #define simde_mm_maskz_fixupimm_round_sd(k, a, b, c, imm8, sae) simde_mm_maskz_fixupimm_sd(k, a, b, c, imm8)