http://llvm.org/bugs/show_bug.cgi?id=22340
Bug ID: 22340
Summary: Infinite loop to memory exhaustion with alloca on 3.3
to trunk
Product: clang
Version: unspecified
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: LLVM Codegen
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
We caught this in a tools regression suite. It appears that any expression
involving at least more than 40 bits of precision triggers this. The attachment
includes a test program that triggers this behavior (using SIZE_MAX, but at
least 0xfffffffffff1ULL is sufficient) and some traces over time (full/
contains truncated stack crawling, and minidump/ contains minidump/ snapshots
over time).
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