https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90124
Bug ID: 90124
Summary: [9 Regression] Compilation of llvm PDBContext.cpp
fails.
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: iains at gcc dot gnu.org
Target Milestone: ---
Created attachment 46181
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46181&action=edit
unreduced PDBContext.ii
trunk GCC currently fails to build LLVM (7 branch at least ) with the
following:
/home/iains/gcc-trunk/install/libexec/gcc/x86_64-pc-linux-gnu/9.0.1/cc1plus
-fpreprocessed PDBContext.ii -quiet -dumpbase PDBContext.cpp -mtune=generic
-march=x86-64 -auxbase-strip CMakeFiles/LLVMDebugInfoPDB.dir/PDBContext.cpp.o -
Os -Werror=date-time -Wall -Wextra -Wno-unused-parameter -Wwrite-strings
-Wcast-qual -Wno-missing-field-initializers -Wpedantic -Wno-long-long
-Wno-maybe-uninitialized -Wno-class-memaccess -Wdelete-non-virtual-dtor
-Wno-comment -std
=c++11 -version -fPIC -fvisibility-inlines-hidden -ffunction-sections
-fdata-sections -fno-exceptions -fno-rtti -o PDBContext.s
GNU C++11 (GCC) version 9.0.1 20190416 (experimental) [trunk revision 270376]
(x86_64-pc-linux-gnu)
compiled by GNU C version 9.0.1 20190416 (experimental) [trunk revision
270376], GMP version 6.1.2, MPFR version 3.1.5, MPC version 1.0.3, isl version
none
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
GNU C++11 (GCC) version 9.0.1 20190416 (experimental) [trunk revision 270376]
(x86_64-pc-linux-gnu)
compiled by GNU C version 9.0.1 20190416 (experimental) [trunk revision
270376], GMP version 6.1.2, MPFR version 3.1.5, MPC version 1.0.3, isl version
none
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
Compiler executable checksum: 4b7aa8ad0f9dc04e51fdc48d2596248f
In file included from
/home/iains/llvm-project/llvm/lib/DebugInfo/PDB/PDBContext.cpp:15:
/home/iains/llvm-project/llvm/include/llvm/DebugInfo/PDB/PDBSymbolData.h:32:36:
error: invalid use of incomplete type ‘const class llvm::pdb::PDBSymbolData’
32 | FORWARD_SYMBOL_METHOD(getAccess)
| ^
/home/iains/llvm-project/llvm/include/llvm/DebugInfo/PDB/PDBSymbolData.h:23:7:
note: definition of ‘class llvm::pdb::PDBSymbolData’ is not complete until the
closing brace
23 | class PDBSymbolData : public PDBSymbol {
| ^~~~~~~~~~~~~
/home/iains/llvm-project/llvm/include/llvm/DebugInfo/PDB/PDBSymbolData.h:32:36:
error: invalid use of incomplete type ‘const class llvm::pdb::PDBSymbolData’
32 | FORWARD_SYMBOL_METHOD(getAccess)
< many more like this>
8.3 works, and AFAIR trunk worked recently (order one or two months).