[LLVMbugs] [Bug 21821] New: [fuzz] Assertion `!isNull() && "Cannot retrieve a NULL type pointer"' failed.
bugzilla-daemon at llvm.org
bugzilla-daemon at llvm.org
Wed Dec 10 12:56:07 PST 2014
http://llvm.org/bugs/show_bug.cgi?id=21821
Bug ID: 21821
Summary: [fuzz] Assertion `!isNull() && "Cannot retrieve a NULL
type pointer"' failed.
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: -New Bugs
Assignee: unassignedclangbugs at nondot.org
Reporter: sami.liedes at iki.fi
CC: llvmbugs at cs.uiuc.edu
Classification: Unclassified
Created attachment 13463
--> http://llvm.org/bugs/attachment.cgi?id=13463&action=edit
test case
Fuzzing discovered that the attached test case, when given as input to
clang -fno-crash-diagnostics -std=c++11 -xc++ -c -emit-llvm
causes this assertion failure:
retrieve-null-type-ptr.cpp:1:1: error: unknown type name 'typede'; did you mean
'typedef'?
typede^ _Atomic(i
^~~~~~
typedef
retrieve-null-type-ptr.cpp:1:18: error: expected ')'
typede^ _Atomic(i
^
retrieve-null-type-ptr.cpp:1:16: note: to match this '('
typede^ _Atomic(i
^
retrieve-null-type-ptr.cpp:1:17: error: C++ requires a type specifier for all
declarations
typede^ _Atomic(i
~~~~~~ ^
retrieve-null-type-ptr.cpp:1:7: error: blocks support disabled - compile with
-fblocks or pick a deployment target that supports them
typede^ _Atomic(i
^
retrieve-null-type-ptr.cpp:1:17: error: block pointer to non-function type is
invalid
typede^ _Atomic(i
^
clang-3.6: tools/clang/include/clang/AST/Type.h:562: const
clang::ExtQualsTypeCommonBase *clang::QualType::getCommonPtr() const: Assertion
`!isNull() && "Cannot retrieve a NULL type pointer"' failed.
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