[tint][ir][fuzz] Fix ClampFragDepth fuzzer

`offsets->min` must be less than `offsets->max`, otherwise an error is raised.

Bug: 338873333
Change-Id: I67cdeaf5daa4d0e4e22084f5f44f1bdc541bec4b
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/187400
Commit-Queue: James Price <jrprice@google.com>
Auto-Submit: Ben Clayton <bclayton@google.com>
Reviewed-by: James Price <jrprice@google.com>
diff --git a/src/tint/lang/wgsl/ast/transform/clamp_frag_depth_fuzz.cc b/src/tint/lang/wgsl/ast/transform/clamp_frag_depth_fuzz.cc
index b357f1b..2854240 100644
--- a/src/tint/lang/wgsl/ast/transform/clamp_frag_depth_fuzz.cc
+++ b/src/tint/lang/wgsl/ast/transform/clamp_frag_depth_fuzz.cc
@@ -32,8 +32,8 @@
 namespace {
 
 bool CanRun(const ClampFragDepth::Config& config) {
-    if (config.offsets && config.offsets->min == config.offsets->max) {
-        return false;  // member offset collision
+    if (config.offsets && config.offsets->min >= config.offsets->max) {
+        return false;  // member offset collision / non-ascending
     }
     return true;
 }