https://llvm.org/bugs/show_bug.cgi?id=24424
Bug ID: 24424
Summary: Too much information printed in macro diagnostic
message
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: ASSIGNED
Severity: normal
Priority: P
Component: Frontend
Assignee: unassignedclangb...@nondot.org
Reporter: zheng...@google.com
CC: llvm-bugs@lists.llvm.org, rtr...@google.com
Blocks: 24423
Classification: Unclassified
#define F(x) x + 1
#define NO_INITIATION(x) int a = F(x) * 2
NO_INITIATION(a);
Should print:
reduced-diags-macros.cpp:7:15: warning: variable 'a' is uninitialized when used
within its own initialization [-Wuninitialized]
NO_INITIATION(a);
~~~~~~~~~~~~~~^~
reduced-diags-macros.cpp:4:37: note: expanded from macro 'NO_INITIATION'
#define NO_INITIATION(x) int a = FF(x) * 2
^
Acually print:
reduced-diags-macros.cpp:7:15: warning: variable 'a' is uninitialized when used
within its own initialization [-Wuninitialized]
NO_INITIATION(a);
~~~~~~~~~~~~~~^~
reduced-diags-macros.cpp:4:37: note: expanded from macro 'NO_INITIATION'
#define NO_INITIATION(x) int a = FF(x) * 2
^
reduced-diags-macros.cpp:3:15: note: expanded from macro 'FF'
#define FF(x) x + 1
^
The last macro expansion should not be printed.
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