2 files changed, 15 insertions, 0 deletions
diff --git a/src/Sema.zig b/src/Sema.zig
index 76edfbf2cd..2e7e5c9293 100644
--- a/src/Sema.zig
+++ b/src/Sema.zig
@@ -18673,6 +18673,15 @@ fn coerceInMemoryAllowed(
         }
     }
 
+    // Differently-named floats with the same number of bits.
+    if (dest_ty.zigTypeTag() == .Float and src_ty.zigTypeTag() == .Float) {
+        const dest_bits = dest_ty.floatBits(target);
+        const src_bits = src_ty.floatBits(target);
+        if (dest_bits == src_bits) {
+            return .ok;
+        }
+    }
+
     // Pointers / Pointer-like Optionals
     var dest_buf: Type.Payload.ElemType = undefined;
     var src_buf: Type.Payload.ElemType = undefined;
diff --git a/src/stage1/ir.cpp b/src/stage1/ir.cpp
index 2f4e0aa0e7..62834e564d 100644
--- a/src/stage1/ir.cpp
+++ b/src/stage1/ir.cpp
@@ -4480,6 +4480,12 @@ static ConstCastOnly types_match_const_cast_only(IrAnalyze *ira, ZigType *wanted
         return result;
     }
 
+    if (wanted_type->id == ZigTypeIdFloat && actual_type->id == ZigTypeIdFloat) {
+        if (wanted_type->data.floating.bit_count == actual_type->data.floating.bit_count) {
+            return result;
+        }
+    }
+
     if (wanted_type->id == ZigTypeIdVector && actual_type->id == ZigTypeIdVector) {
         if (actual_type->data.vector.len != wanted_type->data.vector.len) {
             result.id = ConstCastResultIdVectorLength;