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author | Richard Smith <richard-llvm@metafoo.co.uk> | 2017-02-08 19:58:48 +0000 |
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committer | Richard Smith <richard-llvm@metafoo.co.uk> | 2017-02-08 19:58:48 +0000 |
commit | 3f846bd9fee78ea8f16b8e90ffcacfcce205a19d (patch) | |
tree | f46c190a6b1f66e81ef359e37933479fdbbb3708 /clang/lib/Parse/ParseExprCXX.cpp | |
parent | 0674fe39e5a9e4db5bbbb7389c8cb16705de7e07 (diff) | |
download | llvm-3f846bd9fee78ea8f16b8e90ffcacfcce205a19d.zip llvm-3f846bd9fee78ea8f16b8e90ffcacfcce205a19d.tar.gz llvm-3f846bd9fee78ea8f16b8e90ffcacfcce205a19d.tar.bz2 |
Don't crash on 'decltype(auto)::'. Rather than treating it as a meaningless
nested-name-specifier (as the standard appears to require), treat it as the
type specifier 'decltype(auto)' followed by a nested-name-specifier starting
with '::'.
llvm-svn: 294506
Diffstat (limited to 'clang/lib/Parse/ParseExprCXX.cpp')
-rw-r--r-- | clang/lib/Parse/ParseExprCXX.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/clang/lib/Parse/ParseExprCXX.cpp b/clang/lib/Parse/ParseExprCXX.cpp index 1ba16958..cb42a88 100644 --- a/clang/lib/Parse/ParseExprCXX.cpp +++ b/clang/lib/Parse/ParseExprCXX.cpp @@ -216,7 +216,10 @@ bool Parser::ParseOptionalCXXScopeSpecifier(CXXScopeSpec &SS, SourceLocation EndLoc = ParseDecltypeSpecifier(DS); SourceLocation CCLoc; - if (!TryConsumeToken(tok::coloncolon, CCLoc)) { + // Work around a standard defect: 'decltype(auto)::' is not a + // nested-name-specifier. + if (DS.getTypeSpecType() == DeclSpec::TST_decltype_auto || + !TryConsumeToken(tok::coloncolon, CCLoc)) { AnnotateExistingDecltypeSpecifier(DS, DeclLoc, EndLoc); return false; } |