dotnet / dotnet/msbuild

[Bug]: Passing a property on the commandline with a dot in the name fails with no error message

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backlog bug Priority:2 regression triaged
Dominant language
C#
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Description

### Issue Description

Passing a property on the commandline with a dot in the name fails with no error message.

### Steps to Reproduce

$ dotnet build /p:a.b=ab
MSBuild version 17.6.0-preview-23108-10+51df47643 for .NET
$ echo $?
1

### Expected Behavior

An error message explaining the problem.

### Actual Behavior

Failure with no explanation.

### Analysis

_No response_

### Versions & Configurations

$ dotnet --info
.NET SDK:
Version: 8.0.100-preview.1.23115.2
Commit: 913e4679b3

Runtime Environment:
OS Name: Mac OS X
OS Version: 12.6
OS Platform: Darwin
RID: osx.12-x64
Base Path: /usr/local/share/dotnet/sdk/8.0.100-preview.1.23115.2/

Host:
Version: 8.0.0-preview.1.23110.8
Architecture: x64
Commit: 7deac7d6da

.NET SDKs installed:
6.0.201 [/usr/local/share/dotnet/sdk]
6.0.403 [/usr/local/share/dotnet/sdk]
6.0.404 [/usr/local/share/dotnet/sdk]
7.0.100 [/usr/local/share/dotnet/sdk]
7.0.101 [/usr/local/share/dotnet/sdk]
7.0.102 [/usr/local/share/dotnet/sdk]
8.0.100-preview.1.23115.2 [/usr/local/share/dotnet/sdk]

.NET runtimes installed:
Microsoft.AspNetCore.App 6.0.3 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 6.0.11 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 6.0.12 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 7.0.0 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 8.0.0-preview.1.23112.2 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.NETCore.App 6.0.3 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]
Microsoft.NETCore.App 6.0.11 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]
Microsoft.NETCore.App 6.0.12 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]
Microsoft.NETCore.App 7.0.0 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]
Microsoft.NETCore.App 8.0.0-preview.1.23110.8 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]

Other architectures found:
None

Environment variables:
Not set

global.json file:
Not found

Learn more:
https://aka.ms/dotnet/info

Download .NET:
https://aka.ms/dotnet/download

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