# "#pragma intrinsic" not (yet?) handled in the "if (LangOpts.MicrosoftExt)"
# block in Preprocessor::RegisterBuiltinPragmas in Clang's lib/Lex/Pragma.cpp:
--- glm/detail/func_integer.inl
+++ glm/detail/func_integer.inl
@@ -3,7 +3,9 @@
 #include "_vectorize.hpp"
 #if(GLM_ARCH & GLM_ARCH_X86 && GLM_COMPILER & GLM_COMPILER_VC)
 #	include <intrin.h>
+#if !defined __clang__
 #	pragma intrinsic(_BitScanReverse)
+#endif
 #endif//(GLM_ARCH & GLM_ARCH_X86 && GLM_COMPILER & GLM_COMPILER_VC)
 #include <limits>