| Index: runtime/vm/malloc_hooks.cc
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| diff --git a/runtime/vm/malloc_hooks.cc b/runtime/vm/malloc_hooks.cc
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| index d838457889c2eb61561053c0ef251d79534492cb..e3cbdd10175501ad5c758aa8193121d17af636cc 100644
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| --- a/runtime/vm/malloc_hooks.cc
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| +++ b/runtime/vm/malloc_hooks.cc
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| @@ -5,7 +5,7 @@
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|  #include "platform/globals.h"
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|  
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|  #if defined(DART_USE_TCMALLOC) && !defined(PRODUCT) &&                         \
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| -    !defined(TARGET_ARCH_DBC) && !defined(TARGET_OS_FUCHSIA)
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| +    !defined(TARGET_ARCH_DBC) && !defined(HOST_OS_FUCHSIA)
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|  
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|  #include "vm/malloc_hooks.h"
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|  
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| @@ -444,4 +444,4 @@ void MallocHooksState::RecordFreeHook(const void* ptr) {
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|  }  // namespace dart
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|  
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|  #endif  // defined(DART_USE_TCMALLOC) && !defined(PRODUCT) &&
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| -        // !defined(TARGET_ARCH_DBC) && !defined(TARGET_OS_FUCHSIA)
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| +        // !defined(TARGET_ARCH_DBC) && !defined(HOST_OS_FUCHSIA)
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| 
 |