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| author | Alon Zakai (kripken) <alonzakai@gmail.com> | 2017-05-29 18:45:46 -0700 |
|---|---|---|
| committer | Alon Zakai <alonzakai@gmail.com> | 2017-06-01 13:17:44 -0700 |
| commit | b32e1a966681e5d480d2beb81310a4c8bf65ecdb (patch) | |
| tree | b88238fa40a39388c4b392c0d1115d460a8b2bcd /src/parsing.h | |
| parent | 1a5dffbba9c247786ccfe4dd0a510d4e0f156595 (diff) | |
| download | binaryen-b32e1a966681e5d480d2beb81310a4c8bf65ecdb.tar.gz binaryen-b32e1a966681e5d480d2beb81310a4c8bf65ecdb.tar.bz2 binaryen-b32e1a966681e5d480d2beb81310a4c8bf65ecdb.zip | |
handle empty stack in sourceToUnique
Diffstat (limited to 'src/parsing.h')
| -rw-r--r-- | src/parsing.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/parsing.h b/src/parsing.h index 12029d290..15f22040d 100644 --- a/src/parsing.h +++ b/src/parsing.h @@ -251,7 +251,10 @@ struct UniqueNameMapper { Name sourceToUnique(Name sName) { if (labelMappings.find(sName) == labelMappings.end()) { - throw ParseException("label mismatch in sourceToUnique"); + throw ParseException("bad label in sourceToUnique"); + } + if (labelMappings[sName].empty()) { + throw ParseException("use of popped label in sourceToUnique"); } return labelMappings[sName].back(); } |