[dartdevc] Fix emitting double constants from the SDK

nshahan · commit-bot@chromium.org · commit 55078c0d2f3c · 2019-07-11T23:44:44.000Z
Change-Id: I38c2f1fe6deca63c3a689503862c3a620017e091 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/108880 Reviewed-by: Vijay Menon <vsm@google.com> Commit-Queue: Nicholas Shahan <nshahan@google.com>
diff --git a/pkg/dev_compiler/lib/src/kernel/compiler.dart b/pkg/dev_compiler/lib/src/kernel/compiler.dart
@@ -5295,6 +5295,15 @@ class ProgramCompiler extends Object
         return js.number(intValue);
       }
     }
+    if (value.isInfinite) {
+      if (value.isNegative) {
+        return js.call('-1 / 0');
+      }
+      return js.call('1 / 0');
+    }
+    if (value.isNaN) {
+      return js.call('0 / 0');
+    }
     return js.number(value);
   }
 

Original file line number	Diff line number	Diff line change
`@@ -5295,6 +5295,15 @@ class ProgramCompiler extends Object`
`5295`	`5295`	`return js.number(intValue);`
`5296`	`5296`	`}`
`5297`	`5297`	`}`
	`5298`	`+ if (value.isInfinite) {`
	`5299`	`+ if (value.isNegative) {`
	`5300`	`+ return js.call('-1 / 0');`
	`5301`	`+ }`
	`5302`	`+ return js.call('1 / 0');`
	`5303`	`+ }`
	`5304`	`+ if (value.isNaN) {`
	`5305`	`+ return js.call('0 / 0');`
	`5306`	`+ }`
`5298`	`5307`	`return js.number(value);`
`5299`	`5308`	`}`
`5300`	`5309`