[creduce-bugs] Couple of crashes

[chenyang at cs.utah.edu (Yang Chen)]

Fixed. Thanks, Markus!

- Yang

Markus Trippelsdorf wrote:
> 1) 
>  % gdb --args /var/tmp/creduce/creduce/../clang_delta/clang_delta --transformation=param-to-local --counter=6 clang_delta_crash_tmp_fileBmJ6xQ.ii                
> Reading symbols from /var/tmp/creduce/clang_delta/clang_delta...done.
> (gdb) run
> Starting program: /var/tmp/creduce/clang_delta/clang_delta --transformation=param-to-local --counter=6 clang_delta_crash_tmp_fileBmJ6xQ.ii
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library "/lib/libthread_db.so.1".
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x0000000000a6fdee in Transformation::lookupFunctionDeclFromBases (this=this at entry=0x1604370, DName=..., CXXRD=CXXRD at entry=0x168efd0) at Transformation.cpp:505
> 505         const CXXRecordDecl *Base = getBaseDeclFromType(Ty);
> (gdb) bt
> #0  0x0000000000a6fdee in Transformation::lookupFunctionDeclFromBases (this=this at entry=0x1604370, DName=..., CXXRD=CXXRD at entry=0x168efd0) at Transformation.cpp:505
> #1  0x0000000000a6feb4 in Transformation::lookupFunctionDecl (this=0x1604370, DName=..., Ctx=<optimized out>) at Transformation.cpp:562
> #2  0x00000000005d5a59 in CommonParameterRewriteVisitor<ParamToLocalRewriteVisitor, ParamToLocal>::VisitCallExpr (this=this at entry=0x165a1d0, CallE=CallE at entry=0x166c778)
>     at CommonParameterRewriteVisitor.h:115
> #3  0x00000000005d6763 in WalkUpFromCallExpr (S=0x166c778, this=0x165a1d0) at /usr/local/include/clang/AST/StmtNodes.inc:299
> #4  clang::RecursiveASTVisitor<ParamToLocalRewriteVisitor>::TraverseCallExpr (this=0x165a1d0, S=0x166c778) at /usr/local/include/clang/AST/RecursiveASTVisitor.h:2166
> #5  0x00000000005daf98 in clang::RecursiveASTVisitor<ParamToLocalRewriteVisitor>::TraverseParenExpr (this=0x165a1d0, S=<optimized out>)
>     at /usr/local/include/clang/AST/RecursiveASTVisitor.h:2222
> #6  0x00000000005dfc57 in clang::RecursiveASTVisitor<ParamToLocalRewriteVisitor>::TraverseUnaryExprOrTypeTraitExpr (this=0x165a1d0, S=0x1673590)
>     at /usr/local/include/clang/AST/RecursiveASTVisitor.h:2071
> #7  0x00000000005d6a12 in clang::RecursiveASTVisitor<ParamToLocalRewriteVisitor>::dataTraverse (this=0x165a1d0, S=<optimized out>)
>     at /usr/local/include/clang/AST/RecursiveASTVisitor.h:458
> #8  0x00000000005e16d4 in TraverseVarDecl (D=0x166c620, this=0x165a1d0) at /usr/local/include/clang/AST/RecursiveASTVisitor.h:1809
> #9  clang::RecursiveASTVisitor<ParamToLocalRewriteVisitor>::TraverseDecl (this=0x165a1d0, D=0x166c620) at /usr/local/include/clang/AST/DeclNodes.inc:385
> #10 0x00000000005e14c6 in TraverseDeclContextHelper (DC=<optimized out>, this=0x165a1d0) at /usr/local/include/clang/AST/RecursiveASTVisitor.h:1245
> #11 TraverseCXXRecordDecl (D=<optimized out>, this=0x165a1d0) at /usr/local/include/clang/AST/RecursiveASTVisitor.h:1617
> #12 clang::RecursiveASTVisitor<ParamToLocalRewriteVisitor>::TraverseDecl (this=0x165a1d0, D=<optimized out>) at /usr/local/include/clang/AST/DeclNodes.inc:227
> #13 0x00000000005e1200 in TraverseClassTemplateDecl (D=0x166be30, this=0x165a1d0) at /usr/local/include/clang/AST/RecursiveASTVisitor.h:1463
> #14 clang::RecursiveASTVisitor<ParamToLocalRewriteVisitor>::TraverseDecl (this=0x165a1d0, D=0x166be30) at /usr/local/include/clang/AST/DeclNodes.inc:177
> #15 0x00000000005e1ce6 in TraverseDeclContextHelper (DC=<optimized out>, this=0x165a1d0) at /usr/local/include/clang/AST/RecursiveASTVisitor.h:1245
> #16 TraverseTranslationUnitDecl (D=<optimized out>, this=0x165a1d0) at /usr/local/include/clang/AST/RecursiveASTVisitor.h:1333
> #17 clang::RecursiveASTVisitor<ParamToLocalRewriteVisitor>::TraverseDecl (this=0x165a1d0, D=<optimized out>) at /usr/local/include/clang/AST/DeclNodes.inc:453
> #18 0x00000000005c6840 in ParamToLocal::HandleTranslationUnit (this=0x1604370, Ctx=...) at ParamToLocal.cpp:89
> #19 0x0000000000c1335b in clang::ParseAST(clang::Sema&, bool, bool) ()
> #20 0x0000000000a8000a in TransformationManager::doTransformation (this=0x160de10, ErrorMsg="") at TransformationManager.cpp:187
> #21 0x000000000045acce in main (argc=<optimized out>, argv=<optimized out>) at ClangDelta.cpp:188
>
> 2)
>  % gdb --args /var/tmp/creduce/creduce/../clang_delta/clang_delta --transformation=copy-propagation --counter=1  clang_delta_crash_tmp_filejozDcb.i 
> Reading symbols from /var/tmp/creduce/clang_delta/clang_delta...done.
> (gdb) run
> Starting program: /var/tmp/creduce/clang_delta/clang_delta --transformation=copy-propagation --counter=1 clang_delta_crash_tmp_filejozDcb.i
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library "/lib/libthread_db.so.1".
>
> Program received signal SIGSEGV, Segmentation fault.
> Transformation::getInitExprByIndex (this=<optimized out>, Idxs=..., ILE=<optimized out>) at Transformation.cpp:175
> 175         const Type *T = SubILE->getType().getTypePtr();
> (gdb) bt
> #0  Transformation::getInitExprByIndex (this=<optimized out>, Idxs=..., ILE=<optimized out>) at Transformation.cpp:175
> #1  0x0000000000a6e64e in Transformation::getInitExprFromBase (this=0x16024b0, BaseE=0x7fffffffddd0, Idxs=...) at Transformation.cpp:241
> #2  0x0000000000a6e850 in Transformation::getMemberExprElem (this=this at entry=0x16024b0, ME=ME at entry=0x167ce40) at Transformation.cpp:297
> #3  0x00000000004d6ed0 in CopyPropCollectionVisitor::VisitMemberExpr (this=this at entry=0x1657ff0, ME=ME at entry=0x167ce40) at CopyPropagation.cpp:190
> #4  0x00000000004e3c55 in WalkUpFromMemberExpr (S=0x167ce40, this=0x1657ff0) at /usr/local/include/clang/AST/StmtNodes.inc:523
> #5  clang::RecursiveASTVisitor<CopyPropCollectionVisitor>::TraverseMemberExpr (this=0x1657ff0, S=0x167ce40) at /usr/local/include/clang/AST/RecursiveASTVisitor.h:1966
> #6  0x00000000004dbc38 in clang::RecursiveASTVisitor<CopyPropCollectionVisitor>::TraverseImplicitCastExpr (this=0x1657ff0, S=<optimized out>)
>     at /usr/local/include/clang/AST/RecursiveASTVisitor.h:1973
> #7  0x00000000004e4267 in TraverseImplicitParamDecl (D=0x167cdc0, this=0x1657ff0) at /usr/local/include/clang/AST/RecursiveASTVisitor.h:1813
> #8  clang::RecursiveASTVisitor<CopyPropCollectionVisitor>::TraverseDecl (this=0x1657ff0, D=0x167cdc0) at /usr/local/include/clang/AST/DeclNodes.inc:389
> #9  0x00000000004d9404 in TraverseDeclStmt (S=<optimized out>, this=<optimized out>) at /usr/local/include/clang/AST/RecursiveASTVisitor.h:1885
> #10 clang::RecursiveASTVisitor<CopyPropCollectionVisitor>::TraverseStmt (this=0x1657ff0, S=0x167ce98) at /usr/local/include/clang/AST/StmtNodes.inc:91
> #11 0x00000000004d9ee8 in clang::RecursiveASTVisitor<CopyPropCollectionVisitor>::TraverseCompoundStmt (this=0x1657ff0, S=<optimized out>)
>     at /usr/local/include/clang/AST/RecursiveASTVisitor.h:1904
> #12 0x00000000004e3fbf in clang::RecursiveASTVisitor<CopyPropCollectionVisitor>::TraverseFunctionHelper (this=0x1657ff0, D=0x167c760)
>     at /usr/local/include/clang/AST/RecursiveASTVisitor.h:1762
> #13 0x00000000004d7d14 in CopyPropagation::HandleTopLevelDecl (this=0x16024b0, D=...) at CopyPropagation.cpp:244
> #14 0x0000000000c13296 in clang::ParseAST(clang::Sema&, bool, bool) ()
> #15 0x0000000000a8000a in TransformationManager::doTransformation (this=0x160de10, ErrorMsg="") at TransformationManager.cpp:187
> #16 0x000000000045acce in main (argc=<optimized out>, argv=<optimized out>) at ClangDelta.cpp:188
>
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