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-rw-r--r--compiler-rt/lib/profile/InstrProfilingFile.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler-rt/lib/profile/InstrProfilingFile.c b/compiler-rt/lib/profile/InstrProfilingFile.c
index 35a3b48db84..4fc7693345b 100644
--- a/compiler-rt/lib/profile/InstrProfilingFile.c
+++ b/compiler-rt/lib/profile/InstrProfilingFile.c
@@ -46,7 +46,7 @@ static int writeFileWithName(const char *OutputName) {
return -1;
/* Append to the file to support profiling multiple shared objects. */
- OutputFile = fopen(OutputName, "a");
+ OutputFile = fopen(OutputName, "ab");
if (!OutputFile)
return -1;
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