[clang] Assertion `IsValid && "Failed to parse input constraint"' failed.

[k-arrows]

To reproduce this crash, the -fopenmp option is essential, but I have no idea why. The program seems to have nothing to do with OpenMP.

Reproducer:
https://godbolt.org/z/5GabqojM4

void foo(int *a, int *b) { __asm__ volatile("" : "+&r"(a) : ""(b)); }

[llvmbot]

@llvm/issue-subscribers-clang-codegen

Author: None (k-arrows)

To reproduce this crash, the `-fopenmp` option is essential, but I have no idea why. The program seems to have nothing to do with OpenMP.

Reproducer:
https://godbolt.org/z/5GabqojM4

void foo(int *a, int *b) { __asm__ volatile("" : "+&r"(a) : ""(b)); }

[shafik]

Goes back to clang-14: https://godbolt.org/z/bhbcEP3W6