diff options
| author | Douglas Gregor <dgregor@apple.com> | 2011-02-22 23:21:06 +0000 |
|---|---|---|
| committer | Douglas Gregor <dgregor@apple.com> | 2011-02-22 23:21:06 +0000 |
| commit | 7019186f3c05539698b589a59729b0adfb8ea0a1 (patch) | |
| tree | d40b15a3d0e16a02efc87609d9e416a7a5d0f8fb /lib/Sema/SemaDeclCXX.cpp | |
| parent | 12e3ecec906f65580059a9d8555849a272c2db81 (diff) | |
When checking for abstract types, don't crash when we have a
FunctionProtoTypeLoc with NULL function parameter types, which can
occur in invalid code. Fixes PR9247 / <rdar://problem/9037911>.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126262 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Sema/SemaDeclCXX.cpp')
| -rw-r--r-- | lib/Sema/SemaDeclCXX.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Sema/SemaDeclCXX.cpp b/lib/Sema/SemaDeclCXX.cpp index c12534645f..fbc2a466ee 100644 --- a/lib/Sema/SemaDeclCXX.cpp +++ b/lib/Sema/SemaDeclCXX.cpp @@ -2588,6 +2588,9 @@ struct CheckAbstractUsage { void Check(FunctionProtoTypeLoc TL, Sema::AbstractDiagSelID Sel) { Visit(TL.getResultLoc(), Sema::AbstractReturnType); for (unsigned I = 0, E = TL.getNumArgs(); I != E; ++I) { + if (!TL.getArg(I)) + continue; + TypeSourceInfo *TSI = TL.getArg(I)->getTypeSourceInfo(); if (TSI) Visit(TSI->getTypeLoc(), Sema::AbstractParamType); } |