https://llvm.org/bugs/show_bug.cgi?id=27445
Reid Kleckner <r...@google.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
CC| |r...@google.com
Resolution|WONTFIX |---
Summary|Regression(266932:266938): |Assertion failed: Layout &&
|Assertion failed: Layout && |"Unable to find record
|"Unable to find record |layout information for
|layout information for |type" due to PCH
|type" when building |re-entrancy into CodeGen
|chromium with clang-cl |
--- Comment #6 from Reid Kleckner <r...@google.com> ---
Nico's reproduction:
Standalone:
C:\src\chrome\src>type header.h
namespace std {
struct type_info {
size_t hash_code() const { return 0; }
virtual ~type_info();
};
}
C:\src\chrome\src>type empty.cc
C:\src\chrome\src>type repro.cc
class Params;
struct __declspec(dllexport) Visitor {
void OnReceiveConnectionState(const Params& params) {}
};
class __declspec(dllexport) Params {
void operator=(const Params&);
void (*on_arena_allocation)(const std::type_info* allocated_type);
int field() const { return field_; }
int field_;
};
C:\src\chrome\src>..\..\llvm-build-relsym\bin\clang-cl /c empty.cc /FIheader.h
/Ycheader.h -fmsc-version=1900 /Fpfoo.pch
C:\src\chrome\src>..\..\llvm-build-relsym\bin\clang-cl /c repro.cc /FIheader.h
/Yuheader.h -fmsc-version=1900 /Fpfoo.pch
Assertion failed: Layout && "Unable to find record layout information for
type", file C:\src\llvm-rw\tools\clang\lib\CodeGen\CodeGenTypes.cpp, line 734
We should be able to fix this by putting in a HandlingTopLevelDeclRAII object
in HandleTagDeclDefinition.
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