diff --git a/clang/lib/CIR/CodeGen/CIRGenRecordLayoutBuilder.cpp b/clang/lib/CIR/CodeGen/CIRGenRecordLayoutBuilder.cpp index 0c8ff4bd807ad..ff9b38f79902c 100644 --- a/clang/lib/CIR/CodeGen/CIRGenRecordLayoutBuilder.cpp +++ b/clang/lib/CIR/CodeGen/CIRGenRecordLayoutBuilder.cpp @@ -499,11 +499,7 @@ void CIRRecordLowering::accumulateFields() { fieldEnd = recordDecl->field_end(); field != fieldEnd;) { if (field->isBitField()) { - RecordDecl::field_iterator start = field; - // Iterate to gather the list of bitfields. - for (++field; field != fieldEnd && field->isBitField(); ++field) - ; - field = accumulateBitFields(start, field); + field = accumulateBitFields(field, fieldEnd); assert((field == fieldEnd || !field->isBitField()) && "Failed to accumulate all the bitfields"); } else if (!field->isZeroSize(astContext)) { diff --git a/clang/test/CIR/CodeGen/bitfields.c b/clang/test/CIR/CodeGen/bitfields.c index 869a7c98e2569..b2c7d1c0be926 100644 --- a/clang/test/CIR/CodeGen/bitfields.c +++ b/clang/test/CIR/CodeGen/bitfields.c @@ -71,12 +71,23 @@ typedef struct { // LLVM-DAG: %struct.U = type <{ i8, i8, i8, i8, i64 }> // OGCG-DAG: %struct.U = type <{ i8, i8, i8, i8, i64 }> +typedef struct{ + int a : 24; + char b; + int c: 30; +} Clip; + +// CIR-DAG: !rec_Clip = !cir.record, !s8i, !u32i}> +// LLVM-DAG: %struct.Clip = type { [3 x i8], i8, i32 } +// OGCG-DAG: %struct.Clip = type { [3 x i8], i8, i32 } + void def() { A a; D d; S s; T t; U u; + Clip c; } int load_field(S* s) {