https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114409
Bug ID: 114409
Summary: ICE after adding novector pragmas (internal compiler
error: in tsubst_expr, at cp/pt.cc:21794)
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: sjames at gcc dot gnu.org
Target Milestone: ---
Created attachment 57751
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57751&action=edit
EarlyCSE.cpp.ii.xz
While working on PR114403, I was adding novector pragmas and ended up hitting
an ICE.
```
$ g++ -c
/home/sam/data/build/llvm-project-test/lib/Transforms/Scalar/CMakeFiles/LLVMScalarOpts.dir/EarlyCSE.cpp.ii
In file included from
/home/sam/git/llvm-project/llvm/lib/Transforms/Scalar/EarlyCSE.cpp:18:
/home/sam/git/llvm-project/llvm/include/llvm/ADT/ScopedHashTable.h: In
instantiation of ‘llvm::ScopedHashTableScope<K, V, KInfo,
AllocatorTy>::~ScopedHashTableScope() [with K = {anonymous}::SimpleValue; V =
llvm::Value*; KInfo = llvm::DenseMapInfo<{anonymous}::SimpleValue>; AllocatorTy
= llvm::RecyclingAllocator<llvm::BumpPtrAllocatorImpl<>,
llvm::ScopedHashTableVal<{anonymous}::SimpleValue, llvm::Value*> >]’:
/home/sam/git/llvm-project/llvm/lib/Transforms/Scalar/EarlyCSE.cpp:671:9:
required from here
671 | : Scope(AvailableValues), LoadScope(AvailableLoads),
| ^~~~~~~~~~~~~~~~~~~~~~
/home/sam/git/llvm-project/llvm/include/llvm/ADT/ScopedHashTable.h:241:36:
internal compiler error: in tsubst_expr, at cp/pt.cc:21794
241 | while (ScopedHashTableVal<K, V> *ThisEntry = LastValInScope) {
| ^~~~~~~~~
0x55963b55a154 tsubst_expr(tree_node*, tree_node*, int, tree_node*)
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/cp/pt.cc:21794
0x55963cdda158 tsubst_expr(tree_node*, tree_node*, int, tree_node*)
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/cp/pt.cc:20637
0x55963b55a4ff tsubst_expr(tree_node*, tree_node*, int, tree_node*)
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/cp/pt.cc:21776
0x55963d07cfa1 tsubst_stmt
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/cp/pt.cc:19438
0x55963d07dbe9 tsubst_stmt
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/cp/pt.cc:18676
0x55963d07cfe3 tsubst_stmt
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/cp/pt.cc:18398
0x55963d07cea6 tsubst_stmt
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/cp/pt.cc:18771
0x55963d07cfe3 tsubst_stmt
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/cp/pt.cc:18398
0x55963d07cea6 tsubst_stmt
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/cp/pt.cc:18771
0x55963d3347e8 instantiate_body
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/cp/pt.cc:27064
0x55963cf46498 instantiate_decl(tree_node*, bool, bool)
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/cp/pt.cc:27349
0x55963ca8a8c1 instantiate_pending_templates(int)
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/cp/pt.cc:27425
0x55963ca7f13a c_parse_final_cleanups()
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/cp/decl2.cc:5151
0x55963d25b647 c_common_parse_file()
/usr/src/debug/sys-devel/gcc-14.0.9999/gcc-14.0.9999/gcc/c-family/c-opts.cc:1329
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://bugs.gentoo.org/> for instructions.
```
