Assertion failed: ((Result || isa<UsingShadowDecl>(D) || D->isInvalidDecl() || cast<Decl>(ParentDC)->isInvalidDecl()) && "Unable to find instantiation of declaration!"), function FindInstantiatedDecl

[llvmbot]

Bugzilla Link	9300
Resolution	FIXED
Resolved on	Mar 04, 2011 14:43
Version	unspecified
OS	FreeBSD
Attachments	test case
Reporter	LLVM Bugzilla Contributor
CC	@DougGregor,@tkremenek

Extended Description

pes delta$ clang++ -fsyntax-only typebmff.cpp

..warnings and errors...

Assertion failed: ((Result || isa(D) || D->isInvalidDecl() || cast(ParentDC)->isInvalidDecl()) && "Unable to find instantiation of declaration!"), function FindInstantiatedDecl, file SemaTemplateInstantiateDecl.cpp, line 3023.
Stack dump:
0. Program arguments: /usr/local/bin/clang -cc1 -triple x86_64-unknown-freebsd8.1 -fsyntax-only -disable-free -main-file-name typebmff.cpp -mrelocation-model static -mdisable-fp-elim -masm-verbose -mconstructor-aliases -munwind-tables -target-cpu x86-64 -target-linker-version 2.15 -momit-leaf-frame-pointer -resource-dir /usr/local/bin/../lib/clang/2.9 -ferror-limit 19 -fmessage-length 152 -fexceptions -fgnu-runtime -fdiagnostics-show-option -fcolor-diagnostics -x c++ typebmff.cpp

1.  <eof> parser at end of file
   

2.  typebmff.cpp:7:16: instantiating function definition 'Enum'
   

clang: error: unable to execute command: Abort trap: 6 (core dumped)
clang: error: clang frontend command failed due to signal 1 (use -v to see invocation)

[tkremenek]

Assertion failure occurs in the template instantiator:

#​4 0x0000000101b871d4 in __assert_rtn (func=0x101cfd790 "FindInstantiatedDecl", file=0x101cfcc70 "/Volumes/Data/src/llvm/tools/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp", line=3023, expr=0x101cfdb90 "(Result || isa(D) || D->isInvalidDecl() || cast(ParentDC)->isInvalidDecl()) && "Unable to find instantiation of declaration!"") at Signals.inc:291
#​5 0x00000001009c29ed in clang::Sema::FindInstantiatedDecl (this=0x10602f200, Loc={ID = 448}, D=0x106057fb0, TemplateArgs=@0x7fff5fbfc500) at /Volumes/Data/src/llvm/tools/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp:3021
#​6 0x000000010098bca6 in (anonymous namespace)::TemplateInstantiator::TransformDecl (this=0x7fff5fbfb0f0, Loc={ID = 448}, D=0x106057fb0) at /Volumes/Data/src/llvm/tools/clang/lib/Sema/SemaTemplateInstantiate.cpp:819
#​7 0x000000010099e6d1 in clang::TreeTransform<(anonymous namespace)::TemplateInstantiator>::TransformDeclRefExpr (this=0x7fff5fbfb0f0, E=0x10605e0e0) at TreeTransform.h:5195
#​8 0x0000000100995cd0 in (anonymous namespace)::TemplateInstantiator::TransformDeclRefExpr (this=0x7fff5fbfb0f0, E=0x10605e0e0) at /Volumes/Data/src/llvm/tools/clang/lib/Sema/SemaTemplateInstantiate.cpp:1134
#​9 0x000000010098595b in clang::TreeTransform<(anonymous namespace)::TemplateInstantiator>::TransformExpr (this=0x7fff5fbfb0f0, E=0x10605e0e0) at StmtNodes.inc:345
#​10 0x0000000100984ed5 in clang::Sema::SubstExpr (this=0x10602f200, E=0x10605e0e0, TemplateArgs=@0x7fff5fbfc500) at /Volumes/Data/src/llvm/tools/clang/lib/Sema/SemaTemplateInstantiate.cpp:2118
#​11 0x00000001009c3c30 in InstantiateInitializer (S=@0x10602f200, Init=0x10605e0e0, TemplateArgs=@0x7fff5fbfc500, LParenLoc=@0x7fff5fbfb500, NewArgs=@0x7fff5fbfb490, RParenLoc=@0x7fff5fbfb4f8) at /Volumes/Data/src/llvm/tools/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp:233
#​12 0x00000001009c326f in clang::TemplateDeclInstantiator::VisitVarDecl (this=0x7fff5fbfb6f0, D=0x10605e090) at /Volumes/Data/src/llvm/tools/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp:325

[tkremenek]

cloned to rdar://problem/9045570

[DougGregor]

Fixed in Clang r127030.