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authorPhilip Herron <herron.philip@googlemail.com>2025-03-28 17:42:07 +0000
committerArthur Cohen <arthur.cohen@embecosm.com>2025-03-31 21:07:24 +0200
commit3729b279fbef2404d91f08009102e5dd497f5cb6 (patch)
treec0f77250a0d38c0151e6b43dc9d91cc92509a72c /gcc
parenta0b0d2a58ec8b830d0a88039709e2002b32dc2a8 (diff)
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gccrs: FIX ICE when working with HIR::BareFunctionType
Fixes Rust-GCC#3615 gcc/rust/ChangeLog: * hir/rust-hir-dump.cc (Dump::visit): check has type * hir/tree/rust-hir-type.cc (BareFunctionType::BareFunctionType): likewise gcc/testsuite/ChangeLog: * rust/compile/issue-3615.rs: New test. Signed-off-by: Philip Herron <herron.philip@googlemail.com>
Diffstat (limited to 'gcc')
-rw-r--r--gcc/rust/hir/rust-hir-dump.cc4
-rw-r--r--gcc/rust/hir/tree/rust-hir-type.cc3
-rw-r--r--gcc/testsuite/rust/compile/issue-3615.rs7
3 files changed, 12 insertions, 2 deletions
diff --git a/gcc/rust/hir/rust-hir-dump.cc b/gcc/rust/hir/rust-hir-dump.cc
index 0a9d617..89fcc3d 100644
--- a/gcc/rust/hir/rust-hir-dump.cc
+++ b/gcc/rust/hir/rust-hir-dump.cc
@@ -2440,7 +2440,9 @@ Dump::visit (BareFunctionType &e)
end_field ("params");
}
- visit_field ("return_type", e.get_return_type ());
+ if (e.has_return_type ())
+ visit_field ("return_type", e.get_return_type ());
+
put_field ("is_variadic", std::to_string (e.get_is_variadic ()));
end ("BareFunctionType");
}
diff --git a/gcc/rust/hir/tree/rust-hir-type.cc b/gcc/rust/hir/tree/rust-hir-type.cc
index 689d86b..6a6c319 100644
--- a/gcc/rust/hir/tree/rust-hir-type.cc
+++ b/gcc/rust/hir/tree/rust-hir-type.cc
@@ -268,7 +268,8 @@ BareFunctionType::BareFunctionType (BareFunctionType const &other)
for_lifetimes (other.for_lifetimes),
function_qualifiers (other.function_qualifiers), params (other.params),
is_variadic (other.is_variadic),
- return_type (other.return_type->clone_type ())
+ return_type (other.has_return_type () ? other.return_type->clone_type ()
+ : nullptr)
{}
BareFunctionType &
diff --git a/gcc/testsuite/rust/compile/issue-3615.rs b/gcc/testsuite/rust/compile/issue-3615.rs
new file mode 100644
index 0000000..e5c5072
--- /dev/null
+++ b/gcc/testsuite/rust/compile/issue-3615.rs
@@ -0,0 +1,7 @@
+pub trait Trait {
+ pub fn nrvo(init: fn()) -> [u8; 4096] {
+ let mut buf = [0; 4096];
+
+ buf
+ }
+}