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Fix Issue 4587 - Assert exception should not allocate #1714
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lindt
reviewed
Dec 19, 2016
| if( _assertHandler is null ) | ||
| throw new AssertError( file, line ); | ||
| import core.stdc.string : memcpy; | ||
| char[1024] buffer; |
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declare this buffer just within the if
1024 is random and a magic number, you could be concrete with char[__traits(classInstanceSize, AssertError)] buffer;
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Not to mention the alignment issue - I don't think there is guarantee that char[x] array is properly aligned.
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Not to also mention -- this is a local buffer which you are throwing outside the function. This results in corruption. Make it a static buffer.
| if( _assertHandler is null ) { | ||
| enum size = __traits(classInstanceSize, AssertError); | ||
| memcpy(buffer.ptr, typeid(AssertError).initializer().ptr, size); | ||
| auto obj = cast(AssertError) buffer.ptr; |
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emplace is from Phobos, cannot be used.
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I think we should close this in favor of #1710 |
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Yah, let's focus on #1710 and friends. |
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Work in Progress
https://issues.dlang.org/show_bug.cgi?id=4587