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| author | Richard Smith <richard-llvm@metafoo.co.uk> | 2017-09-07 05:41:24 +0000 |
|---|---|---|
| committer | Richard Smith <richard-llvm@metafoo.co.uk> | 2017-09-07 05:41:24 +0000 |
| commit | 48b35d9a14236468d484954b747de39468bb8f91 (patch) | |
| tree | 8d9801c242eff8976df39550f9689f021d76d2e4 /clang/lib/AST/ItaniumMangle.cpp | |
| parent | 65ca292a8d3f11d54f8066aa4882321a1dcd75f9 (diff) | |
Fix off-by-one error in block mangling.
This restores the ABI prior to r214699.
llvm-svn: 312700
Diffstat (limited to 'clang/lib/AST/ItaniumMangle.cpp')
| -rw-r--r-- | clang/lib/AST/ItaniumMangle.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/clang/lib/AST/ItaniumMangle.cpp b/clang/lib/AST/ItaniumMangle.cpp index 5372cad29998..1c90419ca979 100644 --- a/clang/lib/AST/ItaniumMangle.cpp +++ b/clang/lib/AST/ItaniumMangle.cpp @@ -1669,6 +1669,10 @@ void CXXNameMangler::mangleUnqualifiedBlock(const BlockDecl *Block) { // the symbol in question isn't externally visible. if (!Number) Number = Context.getBlockId(Block, false); + else { + // Stored mangling numbers are 1-based. + --Number; + } Out << "Ub"; if (Number > 0) Out << Number - 1; |