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authorChris Lattner <sabre@nondot.org>2007-05-11 00:00:27 +0000
committerChris Lattner <sabre@nondot.org>2007-05-11 00:00:27 +0000
commitfd96905f12337c681e2cad81846d84f15cfc30ad (patch)
treef0bb0f14b8a2f4af7fe617549325024b1c33b643 /llvm/lib/System/Unix
parentcc8f571bc808b05e4bc4f8b75db622df367208bf (diff)
downloadbcm5719-llvm-fd96905f12337c681e2cad81846d84f15cfc30ad.tar.gz
bcm5719-llvm-fd96905f12337c681e2cad81846d84f15cfc30ad.zip
Fix a bug where the bcreader could crash on .bc files that were an exact
multiple of the page size, due to a bug in MappedFile llvm-svn: 36980
Diffstat (limited to 'llvm/lib/System/Unix')
-rw-r--r--llvm/lib/System/Unix/MappedFile.inc1
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/System/Unix/MappedFile.inc b/llvm/lib/System/Unix/MappedFile.inc
index 5e76e2bc26a..91b92ece5a5 100644
--- a/llvm/lib/System/Unix/MappedFile.inc
+++ b/llvm/lib/System/Unix/MappedFile.inc
@@ -78,6 +78,7 @@ void MappedFile::unmap() {
if (options_ & WRITE_ACCESS)
::msync(base_, info_->Size, MS_SYNC);
::munmap(base_, info_->Size);
+ base_ = 0; // Mark this as non-mapped.
}
}
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