llvm
diff --git a/‎clang/lib/Headers/CMakeLists.txt
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+1Lines changed: 1 addition & 0 deletions b/‎clang/lib/Headers/CMakeLists.txt
Copy file name to clipboardExpand all lines: clang/lib/Headers/CMakeLists.txt
+1Lines changed: 1 addition & 0 deletions
diff --git a/‎clang/lib/Headers/cuda_wrappers/bits/c++config.h
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+52Lines changed: 52 additions & 0 deletions b/‎clang/lib/Headers/cuda_wrappers/bits/c++config.h
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+52Lines changed: 52 additions & 0 deletions
@@ -333,6 +333,7 @@ set(cuda_wrapper_files
 )
 
 set(cuda_wrapper_bits_files
+  cuda_wrappers/bits/c++config.h
   cuda_wrappers/bits/shared_ptr_base.h
   cuda_wrappers/bits/basic_string.h
   cuda_wrappers/bits/basic_string.tcc
 
@@ -0,0 +1,52 @@
+// libstdc++ uses the non-constexpr function std::__glibcxx_assert_fail()
+// to trigger compilation errors when the __glibcxx_assert(cond) macro
+// is used in a constexpr context.
+// Compilation fails when using code from the libstdc++ (such as std::array) on
+// device code, since these assertions invoke a non-constexpr host function from
+// device code.
+//
+// To work around this issue, we declare our own device version of the function
+
+#ifndef __CLANG_CUDA_WRAPPERS_BITS_CPP_CONFIG
+#define __CLANG_CUDA_WRAPPERS_BITS_CPP_CONFIG
+
+#include_next <bits/c++config.h>
+
+#ifdef _LIBCPP_BEGIN_NAMESPACE_STD
+_LIBCPP_BEGIN_NAMESPACE_STD
+#else
+namespace std {
+#ifdef _GLIBCXX_BEGIN_NAMESPACE_VERSION
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+#endif
+
+#ifdef _GLIBCXX_VERBOSE_ASSERT
+__attribute__((device, noreturn))
+inline void
+__glibcxx_assert_fail(
+        const char* file, int line,
+        const char* function, const char* condition) noexcept {
+    if (file && function && condition)
+      __builtin_printf("%s:%d: %s: Assertion '%s' failed.\n", file, line, function, condition);
+    else if (function)
+      __builtin_printf("%s: Undefined behavior detected.\n", function);
+    __builtin_abort();
+}
+#endif
+
+#endif
+__attribute__((device, noreturn, __always_inline__, __visibility__("default")))
+inline void
+__glibcxx_assert_fail(...) noexcept {
+  __builtin_abort();
+}
+#ifdef _LIBCPP_END_NAMESPACE_STD
+_LIBCPP_END_NAMESPACE_STD
+#else
+#ifdef _GLIBCXX_BEGIN_NAMESPACE_VERSION
+_GLIBCXX_END_NAMESPACE_VERSION
+#endif
+} // namespace std
+#endif
+
+#endif
Original file line number	Diff line number	Diff line change
`@@ -333,6 +333,7 @@ set(cuda_wrapper_files`
`333`	`333`	`)`
`334`	`334`
`335`	`335`	`set(cuda_wrapper_bits_files`
	`336`	`+ cuda_wrappers/bits/c++config.h`
`336`	`337`	`cuda_wrappers/bits/shared_ptr_base.h`
`337`	`338`	`cuda_wrappers/bits/basic_string.h`
`338`	`339`	`cuda_wrappers/bits/basic_string.tcc`