Index: compiler-rt/CMakeLists.txt
===================================================================
--- compiler-rt/CMakeLists.txt
+++ compiler-rt/CMakeLists.txt
@@ -304,6 +304,12 @@
 
 # By default do not instrument or use profdata for compiler-rt.
 if(NOT COMPILER_RT_ENABLE_PGO)
+  if(LLVM_BUILD_INSTRUMENTED_COVERAGE)
+    string(REGEX REPLACE "-fprofile-instr-generate=\".*\"" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
+    string(REPLACE "-fcoverage-mapping" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
+    string(REGEX REPLACE "-fprofile-instr-generate=\".*\"" "" CMAKE_C_FLAGS ${CMAKE_C_FLAGS})
+    string(REPLACE "-fcoverage-mapping" "" CMAKE_C_FLAGS ${CMAKE_C_FLAGS})
+  endif()
   if(LLVM_PROFDATA_FILE AND COMPILER_RT_HAS_FNO_PROFILE_INSTR_USE_FLAG)
     list(APPEND SANITIZER_COMMON_CFLAGS "-fno-profile-instr-use")
   endif()