diff options
Diffstat (limited to 'compiler-rt/lib/profile/InstrProfilingBuffer.c')
| -rw-r--r-- | compiler-rt/lib/profile/InstrProfilingBuffer.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/compiler-rt/lib/profile/InstrProfilingBuffer.c b/compiler-rt/lib/profile/InstrProfilingBuffer.c index e587932da0a..620c1755baa 100644 --- a/compiler-rt/lib/profile/InstrProfilingBuffer.c +++ b/compiler-rt/lib/profile/InstrProfilingBuffer.c @@ -79,6 +79,10 @@ int __llvm_profile_write_buffer_internal( /* Create the header. */ __llvm_profile_header Header; + + if (!DataSize) + return 0; + Header.Magic = __llvm_profile_get_magic(); Header.Version = __llvm_profile_get_version(); Header.DataSize = DataSize; |
