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[analyzer] Improve behavior if Clang not found.

Description

[analyzer] Improve behavior if Clang not found.

  • Eliminate 'No such file or directory at scan-build line ...' error if '$RealBin/bin/clang' or '$RealBin/clang' directory does not exist.
  • Eliminate 'Use of uninitialized value $Clang in concatenation (.) or string at scan-build line ...' error if help is displayed while $Clang was not found.

Details

Committed
ayartsevSep 11 2015, 1:41 PM
Parents
rL247465: Always_inline codegen rewrite.
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