diff options
Diffstat (limited to 'utils/FileCheck/FileCheck.cpp')
| -rw-r--r-- | utils/FileCheck/FileCheck.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/utils/FileCheck/FileCheck.cpp b/utils/FileCheck/FileCheck.cpp index b4d1f84859..2bd6197e13 100644 --- a/utils/FileCheck/FileCheck.cpp +++ b/utils/FileCheck/FileCheck.cpp @@ -140,7 +140,7 @@ bool Pattern::ParsePattern(StringRef PatternStr, SourceMgr &SM) { // Named RegEx matches. These are of two forms: [[foo:.*]] which matches .* // (or some other regex) and assigns it to the FileCheck variable 'foo'. The // second form is [[foo]] which is a reference to foo. The variable name - // itself must be of the form "[a-zA-Z][0-9a-zA-Z]*", otherwise we reject + // itself must be of the form "[a-zA-Z_][0-9a-zA-Z_]*", otherwise we reject // it. This is to catch some common errors. if (PatternStr.size() >= 2 && PatternStr[0] == '[' && PatternStr[1] == '[') { @@ -167,7 +167,8 @@ bool Pattern::ParsePattern(StringRef PatternStr, SourceMgr &SM) { // Verify that the name is well formed. for (unsigned i = 0, e = Name.size(); i != e; ++i) - if ((Name[i] < 'a' || Name[i] > 'z') && + if (Name[i] != '_' && + (Name[i] < 'a' || Name[i] > 'z') && (Name[i] < 'A' || Name[i] > 'Z') && (Name[i] < '0' || Name[i] > '9')) { SM.PrintMessage(SMLoc::getFromPointer(Name.data()+i), |