diff options
| -rw-r--r-- | utils/TableGen/AsmMatcherEmitter.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/utils/TableGen/AsmMatcherEmitter.cpp b/utils/TableGen/AsmMatcherEmitter.cpp index 35f5f6facc..e3def41852 100644 --- a/utils/TableGen/AsmMatcherEmitter.cpp +++ b/utils/TableGen/AsmMatcherEmitter.cpp @@ -1881,6 +1881,8 @@ static bool EmitMnemonicAliases(raw_ostream &OS, const AsmMatcherInfo &Info) { AliasWithNoPredicate = i; continue; } + if (R->getValueAsString("ToMnemonic") == I->first) + throw TGError(R->getLoc(), "MnemonicAlias to the same string"); if (!MatchCode.empty()) MatchCode += "else "; |