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Bug 20946 – Segfault by forward reference and undefined identifier

Status: RESOLVED
Resolution: FIXED
Severity: regression
Priority: P1
Component: dmd
Product: D
Version: D2
Platform: All
OS: All
Creation time: 2020-06-18T00:33:44Z
Last change time: 2020-06-18T02:49:55Z
Keywords: pull
Assigned to: No Owner
Creator: kntroh

Comments

Comment #0 by kntroh — 2020-06-18T00:33:44Z

dmd 2.092.1 on Linux Mint 19(64-bit), Windows 8 Pro(64-bit) Segfault after a error message for undefined identifer. $ cat test.d class C1 { UndefinedType a; } typeof(func) f; void func(C1 ) { } $ dmd test.d test.d(2): Error: undefined identifier UndefinedType Segmentation fault $

Comment #1 by uplink.coder — 2020-06-18T02:03:50Z

This gets triggered in the typeof. Shouldn't be too hard to fix.

Comment #2 by uplink.coder — 2020-06-18T02:19:11Z

PR: https://github.com/dlang/dmd/pull/11294

Comment #3 by dlang-bot — 2020-06-18T02:34:55Z

@UplinkCoder updated dlang/dmd pull request #11294 "Fix 20946 - Move the check for a null scope after semantic." fixing this issue: - Fix Issue 20946 - Add a check for a null scope after semantic. https://github.com/dlang/dmd/pull/11294

Comment #4 by uplink.coder — 2020-06-18T02:47:38Z

I am stupid ... I should have checked the updated stable branch. This is fixed.

Comment #5 by uplink.coder — 2020-06-18T02:49:55Z

fixed by c227dd4849acbac2f7ff741d1cf0736f23552d09 fix issue 20709 - Segmentation fault when importing nonexistent type