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-rw-r--r--llvm/lib/Support/Windows/Program.inc12
1 files changed, 11 insertions, 1 deletions
diff --git a/llvm/lib/Support/Windows/Program.inc b/llvm/lib/Support/Windows/Program.inc
index 7e381684567..80cb7cc232d 100644
--- a/llvm/lib/Support/Windows/Program.inc
+++ b/llvm/lib/Support/Windows/Program.inc
@@ -367,7 +367,17 @@ Program::Wait(const Path &path,
return -2;
}
- return status & 0377;
+ if (!status)
+ return 0;
+
+ // Pass 10(Warning) and 11(Error) to the callee as negative value.
+ if ((status & 0xBFFF0000U) == 0x80000000U)
+ return (int)status;
+
+ if (status & 0xFF)
+ return status & 0x7FFFFFFF;
+
+ return 1;
}
bool
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