ICE in fold_binary_loc, at fold-const.cc:11235
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@philberty is already working on this.
Since Mar 28, 2025.
bug
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Description
auto-reduced (treereduce-rust):
fn sleep_ms() {
[0; 1 % 0 * 1024 * 1024 * 1024];
}
original:
// check-pass
// Checks that the compiler does not actually try to allocate 4 TB during compilation and OOM crash.
fn sleep_ms() {
[0; 1%0 * 1024 * 1024 * 1024];
}
Version information:
34b0a681598d52de442a0a21c3a7df20bf1485bc
Possibly related line of code:
https://github.com/Rust-GCC/gccrs/blob/34b0a681598d52de442a0a21c3a7df20bf1485bc/gcc/fold-const.cc#L11229-L11241
Command:
crab1 -Warray-bounds -mtune=generic -march=x86-64 -O0 -L/lib/x86_64-linux-gnu -L/lib/../lib64 -L/usr/lib/x86_64-linux-gnu -L/usr/lib/../lib64 -frust-incomplete-and-experimental-compiler-do-not-use
Program output
crab1: internal compiler error: in fold_binary_loc, at fold-const.cc:11235
0x8b1175 fold_binary_loc(unsigned int, tree_code, tree_node*, tree_node*, tree_node*)
../../gcc/fold-const.cc:11235
0xffea70 eval_binary_expression
../../gcc/rust/backend/rust-constexpr.cc:3036
0xffea70 eval_constant_expression
../../gcc/rust/backend/rust-constexpr.cc:2029
0x1005147 eval_store_expression
../../gcc/rust/backend/rust-constexpr.cc:2660
0xffeecf eval_constant_expression
../../gcc/rust/backend/rust-constexpr.cc:2186
0x1000032 eval_constant_expression
../../gcc/rust/backend/rust-constexpr.cc:2115
0xfffc86 eval_statement_list
../../gcc/rust/backend/rust-constexpr.cc:4658
0xfffc86 eval_constant_expression
../../gcc/rust/backend/rust-constexpr.cc:2192
0xffebd2 eval_constant_expression
../../gcc/rust/backend/rust-constexpr.cc:2196
0xffd94b eval_call_expression
../../gcc/rust/backend/rust-constexpr.cc:3583
0xffeb98 eval_constant_expression
../../gcc/rust/backend/rust-constexpr.cc:2110
0x1001790 Rust::Compile::fold_expr(tree_node*)
../../gcc/rust/backend/rust-constexpr.cc:581
0x100e0d2 Rust::Compile::HIRCompileBase::compile_constant_item(unsigned int, Rust::TyTy::BaseType*, Rust::TyTy::BaseType*, Rust::Resolver::CanonicalPath const&, Rust::HIR::Expr&, unsigned int, unsigned int)
../../gcc/rust/backend/rust-compile-base.cc:869
0x100e6a2 Rust::Compile::HIRCompileBase::compile_constant_expr(Rust::Compile::Context*, unsigned int, Rust::TyTy::BaseType*, Rust::TyTy::BaseType*, Rust::Resolver::CanonicalPath const&, Rust::HIR::Expr&, unsigned int, unsigned int)
../../gcc/rust/backend/rust-compile-base.cc:570
0xfee0a9 Rust::Compile::TyTyResolveCompile::visit(Rust::TyTy::ArrayType const&)
../../gcc/rust/backend/rust-compile-type.cc:465
0xfef42c Rust::Compile::TyTyResolveCompile::compile(Rust::Compile::Context*, Rust::TyTy::BaseType const*, bool)
../../gcc/rust/backend/rust-compile-type.cc:43
0xfed30e ???
../../gcc/rust/backend/rust-compile-expr.h:42
0xfe1620 Rust::Compile::CompileExpr::Compile(Rust::HIR::Expr&, Rust::Compile::Context*)
../../gcc/rust/backend/rust-compile-expr.cc:47
0xfdc3e0 ???
../../gcc/rust/backend/rust-compile-stmt.h:33
0xfdc78d Rust::Compile::CompileStmt::Compile(Rust::HIR::Stmt*, Rust::Compile::Context*)
../../gcc/rust/backend/rust-compile-stmt.cc:36
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