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7a5cb43115
Global variables that have `extern_weak` linkage may be null, so it's incorrect to add `inbounds` when constant folding. This also fixes a bug when parsing global aliases, whose forward reference placeholders are global variables with `extern_weak` linkage. If GEPs to these aliases are encountered before the alias itself, the GEPs would incorrectly gain the `inbounds` keyword as well. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215803 91177308-0d34-0410-b5e6-96231b3b80d8 |
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