http://llvm.org/bugs/show_bug.cgi?id=17486
Bug ID: 17486
Summary: llvm-tblgen crashes if compiled with MTd on Win32 VC
2005
Product: new-bugs
Version: 3.2
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
Created attachment 11341
--> http://llvm.org/bugs/attachment.cgi?id=11341&action=edit
Patch that fixes the error
llvm-tblgen triggers a debug exception (and thus crash) if compiled with MTd
(static link debug runtime) on Win32 with VS2005, as a 32b executable.
It is caused by CodeGenInstruction.cpp line 411 , where
Selection.split('|').first is null. Attempting to append this to a std::string
triggers a debug check.
The attached change avoids the append if the above value is null.
NOTE: Tested on LLVM 3.3, but there's no 3.3 in the version list.
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