https://bugs.llvm.org/show_bug.cgi?id=33806
Bug ID: 33806
Summary: clang: #line directives are skipped in preprocessor
Product: clang
Version: 3.8
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Frontend
Assignee: unassignedclangb...@nondot.org
Reporter: igor.lifere...@gmail.com
CC: llvm-bugs@lists.llvm.org
Created attachment 18796
--> https://bugs.llvm.org/attachment.cgi?id=18796&action=edit
prog.c and prog.w
#line directives in situations like this
#if 1==0
...
#line ...
...
#endif
must be honored to correctly compile output from ctangle.
Otherwise warnings, and debug line numbers are all wrong.
Steps to reproduce: take attached "prog.c" and "prog.w", compile "prog.c",
open it in debugger and go step by step.
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