[Mono-bugs] [Bug 26973][Nor] Changed - In try block, 'return' doesn't return
18 Jul 2002 11:06:05 -0000
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Changed by firstname.lastname@example.org.
--- shadow/26973 Thu Jul 18 04:23:59 2002
+++ shadow/26973.tmp.22303 Thu Jul 18 07:06:05 2002
@@ -71,6 +71,25 @@
------- Additional Comments From email@example.com 2002-07-18 04:23 -------
Created an attachment (id=2024)
a diff of the 2 il files
+------- Additional Comments From firstname.lastname@example.org 2002-07-18 07:06 -------
+I looked into this a little bit (but got stuck because I couldn't
+build corlib under linux). When Emit() is called for the Try
+statement, it returns "true" to say "all code paths from this
+statement have their own return". Actually, this isn't accurate
+because it doesn't really emit an IL 'return'. Instead, it emits a
+'leave' instruction which jumps to the "return" which is expected to
+get stuck on the end of the method. Unfortunately, that final
+"return" doesn't get emitted because it thinks all code paths have
+I think this bug could've been detected automatically. Currently,
+ILGenerator does not check to see if a lable is not marked (ie.
+MarkLabel() hasn't been called on it) when it emits a jump to that
+label. It should do so.
+I'll try to make time to fix this - especially now I can build corlib
+on linux! :-)