[sanitizer] Let internal symbolizer use toupper and tolower

diff --git a/compiler-rt/lib/sanitizer_common/symbolizer/scripts/global_symbols.txt b/compiler-rt/lib/sanitizer_common/symbolizer/scripts/global_symbols.txt
index 8863c29..0643213 100644 (file)
--- a/compiler-rt/lib/sanitizer_common/symbolizer/scripts/global_symbols.txt
+++ b/compiler-rt/lib/sanitizer_common/symbolizer/scripts/global_symbols.txt
@@ -163,6 +163,8 @@ strtoull_l U
 syscall U
 sysconf U
 tcgetattr U
+tolower U
+toupper U
 uname U
 ungetc U
 unlink U