Fix another panic in nested clip paths

diff --git a/sparse_strips/vello_common/src/coarse.rs b/sparse_strips/vello_common/src/coarse.rs
index 1e2ef62..f3847fa 100644
--- a/sparse_strips/vello_common/src/coarse.rs
+++ b/sparse_strips/vello_common/src/coarse.rs

@@ -615,7 +615,7 @@
             let next_strip = &strips[i + 1];
             let strip_width =
                 ((next_strip.alpha_idx - strip.alpha_idx) / u32::from(Tile::HEIGHT)) as u16;
-            let x1 = x0 + strip_width;
+            let mut x1 = x0 + strip_width;
             let wtile_x0 = (x0 / WideTile::WIDTH).max(clip_bbox.x0());
             let wtile_x1 = x1.div_ceil(WideTile::WIDTH).min(clip_bbox.x1());
 
@@ -626,6 +626,7 @@
             if clip_x > x {
                 col += u32::from(clip_x - x);
                 x = clip_x;
+                x1 = clip_x.max(x1);
             }
 
             // Render clip strips for each affected tile and mark for popping

diff --git a/sparse_strips/vello_sparse_tests/snapshots/nested_clip_path_panic_2.png b/sparse_strips/vello_sparse_tests/snapshots/nested_clip_path_panic_2.png
new file mode 100644
index 0000000..5d19ffe
--- /dev/null
+++ b/sparse_strips/vello_sparse_tests/snapshots/nested_clip_path_panic_2.png

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4b0ecf76b64dbbc5b5d4e45bacae78062751daab68373b1d22c5d7afc77332f3
+size 96

diff --git a/sparse_strips/vello_sparse_tests/tests/issues.rs b/sparse_strips/vello_sparse_tests/tests/issues.rs
index fba010d..6f8ee9e 100644
--- a/sparse_strips/vello_sparse_tests/tests/issues.rs
+++ b/sparse_strips/vello_sparse_tests/tests/issues.rs

@@ -7,6 +7,7 @@
 use vello_common::color::palette::css::{DARK_BLUE, LIME, REBECCA_PURPLE};
 use vello_common::kurbo::{BezPath, Rect, Shape, Stroke};
 use vello_common::peniko::Fill;
+use vello_cpu::color::palette::css::RED;
 use vello_dev_macros::vello_test;
 
 #[vello_test(width = 8, height = 8)]
@@ -261,3 +262,16 @@
     ctx.pop_layer();
     ctx.pop_layer();
 }
+
+#[vello_test(width = 612, height = 4)]
+// https://github.com/linebender/vello/issues/1034
+fn nested_clip_path_panic_2(ctx: &mut impl Renderer) {
+    let path1 = Rect::new(256.0, 0.0, 280.0, 2.0).to_path(0.1);
+    ctx.push_clip_layer(&path1);
+    let path2 = &Rect::new(0.0, 0.0, 511.0, 4.0).to_path(0.1);
+    ctx.push_clip_layer(&path2);
+    ctx.set_paint(RED);
+    ctx.fill_path(&Rect::new(0.0, 0.0, 511.0, 4.0).to_path(0.1));
+    ctx.pop_layer();
+    ctx.pop_layer();
+}