https://bugs.llvm.org/show_bug.cgi?id=43406
Bug ID: 43406
Summary: Segfault when using const value of union type in a
block with optimizations
Product: clang
Version: 8.0
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: C
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected],
[email protected], [email protected],
[email protected]
Created attachment 22544
--> https://bugs.llvm.org/attachment.cgi?id=22544&action=edit
Segault block union const source code
When using a const value of a union type defined outside a block inside a block
with optimizations, clang is crashing with Segmentation fault at
llvm::PointerType::get(llvm::Type*, unsigned int).
The whole code and clang backtrace can be seen here:
https://godbolt.org/z/wtsleX
The bug is present on clang 3.3 up to clang 8.0.0.
It appears to have been solved on clang 9.0.0.
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