diff --git a/compiler-rt/lib/profile/InstrProfilingFile.c b/compiler-rt/lib/profile/InstrProfilingFile.c
index 5666607ff457b0..54e3030d589921 100644
--- a/compiler-rt/lib/profile/InstrProfilingFile.c
+++ b/compiler-rt/lib/profile/InstrProfilingFile.c
@@ -649,7 +649,14 @@ static void initializeProfileForContinuousMode(void) {
 static const char *DefaultProfileName = "default.profraw";
 static void resetFilenameToDefault(void) {
   if (lprofCurFilename.FilenamePat && lprofCurFilename.OwnsFilenamePat) {
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wcast-qual"
+#endif
     free((void *)lprofCurFilename.FilenamePat);
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif
   }
   memset(&lprofCurFilename, 0, sizeof(lprofCurFilename));
   lprofCurFilename.FilenamePat = DefaultProfileName;
@@ -691,6 +698,10 @@ static int parseFilenamePattern(const char *FilenamePat,
   int MergingEnabled = 0;
   int FilenamePatLen = strlen(FilenamePat);
 
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wcast-qual"
+#endif
   /* Clean up cached prefix and filename.  */
   if (lprofCurFilename.ProfilePathPrefix)
     free((void *)lprofCurFilename.ProfilePathPrefix);
@@ -698,6 +709,9 @@ static int parseFilenamePattern(const char *FilenamePat,
   if (lprofCurFilename.FilenamePat && lprofCurFilename.OwnsFilenamePat) {
     free((void *)lprofCurFilename.FilenamePat);
   }
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif
 
   memset(&lprofCurFilename, 0, sizeof(lprofCurFilename));
 
diff --git a/compiler-rt/lib/profile/InstrProfilingMerge.c b/compiler-rt/lib/profile/InstrProfilingMerge.c
index 4da88b7d7bdb53..432e824955f8a7 100644
--- a/compiler-rt/lib/profile/InstrProfilingMerge.c
+++ b/compiler-rt/lib/profile/InstrProfilingMerge.c
@@ -38,6 +38,11 @@ uint64_t lprofGetLoadModuleSignature(void) {
          __llvm_profile_get_magic();
 }
 
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wcast-qual"
+#endif
+
 /* Returns 1 if profile is not structurally compatible.  */
 COMPILER_RT_VISIBILITY
 int __llvm_profile_check_compatibility(const char *ProfileData,
@@ -183,3 +188,7 @@ int __llvm_profile_merge_from_buffer(const char *ProfileData,
 
   return 0;
 }
+
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif
diff --git a/compiler-rt/lib/profile/InstrProfilingValue.c b/compiler-rt/lib/profile/InstrProfilingValue.c
index c819a38553f368..3d7c245f795fe5 100644
--- a/compiler-rt/lib/profile/InstrProfilingValue.c
+++ b/compiler-rt/lib/profile/InstrProfilingValue.c
@@ -59,7 +59,14 @@ COMPILER_RT_VISIBILITY void lprofSetMaxValsPerSite(uint32_t MaxVals) {
 COMPILER_RT_VISIBILITY void
 __llvm_profile_set_num_value_sites(__llvm_profile_data *Data,
                                    uint32_t ValueKind, uint16_t NumValueSites) {
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wcast-qual"
+#endif
   *((uint16_t *)&Data->NumValueSites[ValueKind]) = NumValueSites;
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif
 }
 
 /* This method is only used in value profiler mock testing.  */