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Fix FileCheck crash when empty prefix is passed.
author
Eli Bendersky
<eliben@google.com>
Tue, 29 Jul 2014 20:30:53 +0000
(20:30 +0000)
committer
Eli Bendersky
<eliben@google.com>
Tue, 29 Jul 2014 20:30:53 +0000
(20:30 +0000)
llvm-svn: 214210
llvm/utils/FileCheck/FileCheck.cpp
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diff --git
a/llvm/utils/FileCheck/FileCheck.cpp
b/llvm/utils/FileCheck/FileCheck.cpp
index
9e6a6a2
..
9245e11
100644
(file)
--- a/
llvm/utils/FileCheck/FileCheck.cpp
+++ b/
llvm/utils/FileCheck/FileCheck.cpp
@@
-1212,6
+1212,10
@@
static bool ValidateCheckPrefixes() {
I != E; ++I) {
StringRef Prefix(*I);
+ // Reject empty prefixes.
+ if (Prefix == "")
+ return false;
+
if (!PrefixSet.insert(Prefix))
return false;