https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92696
Bug ID: 92696
Summary: #pragma GCC diagnostic ... interferes with if/else
Product: gcc
Version: 9.2.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: preprocessor
Assignee: unassigned at gcc dot gnu.org
Reporter: sbergman at redhat dot com
Target Milestone: ---
At least with "gcc (GCC) 9.2.1 20190827 (Red Hat 9.2.1-1)" and with recent GCC
10 trunk:
> $ cat test.c
> void f(int);
> void g(int b) {
> if (b)
> f(0);
> #pragma GCC diagnostic ignored "-Wformat"
> else
> f(1);
> }
> $ gcc -fsyntax-only test.c
> test.c: In function ‘g’:
> test.c:6:3: error: ‘else’ without a previous ‘if’
> 6 | else
> | ^~~~
