diff --git a/compiler-rt/lib/sanitizer_common/symbolizer/scripts/build_symbolizer.sh b/compiler-rt/lib/sanitizer_common/symbolizer/scripts/build_symbolizer.sh
--- a/compiler-rt/lib/sanitizer_common/symbolizer/scripts/build_symbolizer.sh
+++ b/compiler-rt/lib/sanitizer_common/symbolizer/scripts/build_symbolizer.sh
@@ -127,7 +127,7 @@
   $LLVM_SRC
 fi
 cd ${LLVM_BUILD}
-ninja LLVMSymbolize LLVMObject LLVMBinaryFormat LLVMDebugInfoDWARF LLVMSupport LLVMDebugInfoPDB LLVMMC LLVMDemangle
+ninja LLVMSymbolize LLVMObject LLVMBinaryFormat LLVMDebugInfoDWARF LLVMSupport LLVMDebugInfoPDB LLVMMC LLVMDemangle LLVMTextAPI
 
 cd ${BUILD_DIR}
 rm -rf ${SYMBOLIZER_BUILD}
@@ -152,6 +152,7 @@
                         $LLVM_BUILD/lib/libLLVMDebugInfoPDB.a \
                         $LLVM_BUILD/lib/libLLVMDemangle.a \
                         $LLVM_BUILD/lib/libLLVMMC.a \
+                        $LLVM_BUILD/lib/libLLVMTextAPI.a \
                         $ZLIB_BUILD/libz.a \
                         symbolizer.a \
                         all.bc
diff --git a/compiler-rt/lib/sanitizer_common/symbolizer/scripts/global_symbols.txt b/compiler-rt/lib/sanitizer_common/symbolizer/scripts/global_symbols.txt
--- a/compiler-rt/lib/sanitizer_common/symbolizer/scripts/global_symbols.txt
+++ b/compiler-rt/lib/sanitizer_common/symbolizer/scripts/global_symbols.txt
@@ -78,6 +78,7 @@
 isalpha U
 isatty U
 islower U
+isspace U
 isprint U
 isupper U
 isxdigit U