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Index: compiler-rt/lib/profile/GCDAProfiling.c
===================================================================
diff --git a/compiler-rt/lib/profile/GCDAProfiling.c b/compiler-rt/lib/profile/GCDAProfiling.c
--- a/compiler-rt/lib/profile/GCDAProfiling.c
+++ b/compiler-rt/lib/profile/GCDAProfiling.c
@@ -619,7 +619,7 @@
fn_list_insert(&flush_fn_list, fn);
}
-void __gcov_flush() {
+void __custom_llvm_gcov_flush() {
struct fn_node* curr = flush_fn_list.head;
while (curr) {
diff --git a/llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp b/llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp
index 9af64ed332c..bcebe303ff4 100644
--- a/llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp
+++ b/llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp
@@ -647,7 +647,7 @@
for (auto I : ForkAndExecs) {
IRBuilder<> Builder(I);
FunctionType *FTy = FunctionType::get(Builder.getVoidTy(), {}, false);
- FunctionCallee GCOVFlush = M->getOrInsertFunction("__gcov_flush", FTy);
+ FunctionCallee GCOVFlush = M->getOrInsertFunction("__custom_llvm_gcov_flush", FTy);
Builder.CreateCall(GCOVFlush);
I->getParent()->splitBasicBlock(I);
}
diff --git a/clang/lib/Driver/ToolChains/Darwin.cpp b/clang/lib/Driver/ToolChains/Darwin.cpp
index e113f9a679..b3a07b18c0 100644
--- a/clang/lib/Driver/ToolChains/Darwin.cpp
+++ b/clang/lib/Driver/ToolChains/Darwin.cpp
@@ -1122,7 +1122,7 @@
// runtime's functionality.
if (hasExportSymbolDirective(Args)) {
if (needsGCovInstrumentation(Args)) {
- addExportedSymbol(CmdArgs, "___gcov_flush");
+ addExportedSymbol(CmdArgs, "___custom_llvm_gcov_flush");
addExportedSymbol(CmdArgs, "_flush_fn_list");
addExportedSymbol(CmdArgs, "_writeout_fn_list");
} else {
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