libstdc++-v3/ChangeLog:
PR libstdc++/103650
* include/Makefile.am: Rename LT_OBJDIR and STDC_HEADERS.
* include/Makefile.in: Regenerate.
* testsuite/17_intro/headers/c++1998/103650.cc: New test.
-e 's/PACKAGE/_GLIBCXX_PACKAGE/g' \
-e 's/VERSION/_GLIBCXX_VERSION/g' \
-e 's/WORDS_/_GLIBCXX_WORDS_/g' \
+ -e 's/LT_OBJDIR/_GLIBCXX_LT_OBJDIR/g' \
+ -e 's/STDC_HEADERS/_GLIBCXX_STDC_HEADERS/g' \
-e 's/_DARWIN_USE_64_BIT_INODE/_GLIBCXX_DARWIN_USE_64_BIT_INODE/g' \
-e 's/_FILE_OFFSET_BITS/_GLIBCXX_FILE_OFFSET_BITS/g' \
-e 's/_LARGE_FILES/_GLIBCXX_LARGE_FILES/g' \
-e 's/PACKAGE/_GLIBCXX_PACKAGE/g' \
-e 's/VERSION/_GLIBCXX_VERSION/g' \
-e 's/WORDS_/_GLIBCXX_WORDS_/g' \
+ -e 's/LT_OBJDIR/_GLIBCXX_LT_OBJDIR/g' \
+ -e 's/STDC_HEADERS/_GLIBCXX_STDC_HEADERS/g' \
-e 's/_DARWIN_USE_64_BIT_INODE/_GLIBCXX_DARWIN_USE_64_BIT_INODE/g' \
-e 's/_FILE_OFFSET_BITS/_GLIBCXX_FILE_OFFSET_BITS/g' \
-e 's/_LARGE_FILES/_GLIBCXX_LARGE_FILES/g' \
--- /dev/null
+// { dg-do preprocess }
+
+// PR libstdc++/103650 libstdc++ headers defined LT_OBJDIR and STDC_HEADERS
+
+#define LT_OBJDIR 99
+#define STDC_HEADERS 99
+#include <utility>
+#if LT_OBJDIR != 99
+# error LT_OBJDIR redefined
+#endif
+#if STDC_HEADERS != 99
+# error STDC_HEADERS redefined
+#endif