https://llvm.org/bugs/show_bug.cgi?id=30320
Bug ID: 30320
Summary: clang should warn about incorrect "\%" escape sequence
Product: clang
Version: unspecified
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: C++
Assignee: unassignedclangb...@nondot.org
Reporter: nicolaswe...@gmx.de
CC: dgre...@apple.com, llvm-bugs@lists.llvm.org
Classification: Unclassified
Consider:
void f() { printf("\%\n"); }
cl.exe says something along the lines of
C:\src\chromium4\src\third_party\llvm\projects\compiler-rt\lib\profile\InstrProfilingFile.c(563):
warning C4129: '%': unrecognized character escape sequence
C:\src\chromium4\src\third_party\llvm\projects\compiler-rt\lib\profile\InstrProfilingFile.c(560):
warning C4476: 'fprintf' : unknown type field character 'm' in format specifier
clang's -Wformat should flag this too.
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