[Issue 19343] New: [regression] SORA breaks valid code with -O
d-bugmail at puremagic.com
d-bugmail at puremagic.com
Tue Oct 30 15:59:53 UTC 2018
https://issues.dlang.org/show_bug.cgi?id=19343
Issue ID: 19343
Summary: [regression] SORA breaks valid code with -O
Product: D
Version: D2
Hardware: All
OS: All
Status: NEW
Severity: regression
Priority: P1
Component: dmd
Assignee: nobody at puremagic.com
Reporter: uplink.coder at gmail.com
The bug appears when compiling the following code with -O
void f(real x) {(x) {} (x); ulong m = *cast(ulong *) &x;}
The compiler will assert fixresult_x87() in cg87.c because the size of the elem
is bigger then DBLSIZE (usually 8).
it seems that for some reason the enregistering of &x, is not undone.
before extracting the first 64 bits of it.
This is a rather serious bug which hints towards further problems inside the
SORA code.
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